{"title":"New Acquisitions","description":null,"products":[{"product_id":"mimetite-on-calcite-santa-eulalia-chihuahua-mexico","title":"Mimetite on Calcite - Santa Eulalia, Chihuahua, Mexico","description":"\u003cp\u003e\u003cspan\u003eAn attractive cluster of lustrous golden-yellow to honey-brown \u003cstrong\u003emimetite\u003c\/strong\u003e crystals over pale pink \u003cstrong\u003ecalcite \u003c\/strong\u003eon limonitic matrix. The contrasting colours and sparkling crystal surfaces give the specimen strong visual appeal from several viewing angles.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eMimetite is a lead arsenate mineral commonly formed in the oxidized zones of lead-bearing deposits. \u003cstrong\u003eThe Santa Eulalia Mining District\u003c\/strong\u003e is a classic Mexican locality known for producing quality mimetite specimens such as this.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eMineral:\u003c\/strong\u003e Mimetite on Calcite with Limonite\u003cbr\u003e\u003cstrong\u003eLocality:\u003c\/strong\u003e Santa Eulalia Mining District, Aquiles Serdán Municipality, Chihuahua, Mexico\u003cbr\u003e\u003cstrong\u003eCrystal System:\u003c\/strong\u003e Hexagonal\u003cbr\u003e\u003cstrong\u003eMineral Class:\u003c\/strong\u003e Phosphates, Arsenates \u0026amp; Vanadates\u003cbr\u003e\u003cstrong\u003eProvenance:\u003c\/strong\u003e Ex Bill Rouslin Collection\u003cbr\u003e\u003cstrong\u003eDimensions:\u003c\/strong\u003e 5.5 × 4.5 × 4 cm\u003c\/p\u003e","brand":"Rocky Mountain Minerals and Fossils","offers":[{"title":"Default Title","offer_id":52741946671386,"sku":null,"price":100.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0679\/6011\/1386\/files\/mimetite-calcite-santa-eulalia-mexico-02.jpg?v=1787690088"},{"product_id":"calcite-on-basalt-zhejiang-province-china","title":"Spherical Calcite on Basalt - Zhejiang Province, China","description":"\u003cp\u003e\u003cspan\u003eAn unusual and sculptural \u003cstrong\u003eChinese\u003c\/strong\u003e specimen featuring rounded, pale yellow \u003cstrong\u003ecalcite\u003c\/strong\u003e formations within dark brown basalt matrix. Several large spherical aggregates are accompanied by numerous smaller rounded growths across the cavity surface, creating an intriguing landscape-like appearance.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe calcite formed as secondary mineralization within cavities in the volcanic basalt. Its soft yellow colour and textured surfaces contrast strongly with the dark, rugged matrix. This is certainly an eye-catching piece and was recently part of Steve Potvin's extensive calcite collection.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eMineral:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Calcite\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003e\u003cspan\u003eLocality:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Zhejiang Province, China\u003cbr\u003e\u003c\/span\u003e\u003cstrong\u003eCrystal System:\u003c\/strong\u003e Trigonal\u003cbr\u003e\u003cstrong\u003e\u003cspan\u003eMineral Class: \u003c\/span\u003e\u003c\/strong\u003eCarbonates\u003cstrong\u003e\u003cspan\u003e\u003cbr\u003eProvenance:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Ex Steve Potvin Collection\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003e\u003cspan\u003eDimensions:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e 8 × 4.5 × 5 cm\u003c\/span\u003e\u003cbr\u003e\u003c\/p\u003e","brand":"Rocky Mountain Minerals and Fossils","offers":[{"title":"Default Title","offer_id":52742040715546,"sku":null,"price":125.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0679\/6011\/1386\/files\/spherical-calcite-basalt-zhejiang-china-01.jpg?v=1787693445"},{"product_id":"ram-s-horn-selenite-mariposa-mine-texas","title":"Ram’s Horn Selenite - Mariposa Mine, Texas, USA","description":"\u003cp\u003e\u003cspan\u003eA remarkable white to translucent \u003cstrong\u003eselenite\u003c\/strong\u003e crystal displaying the dramatic curved growth habit known as \u003cstrong\u003e“Ram’s Horn\".\u003c\/strong\u003e The elongated crystal sweeps upward in a graceful arc, with pronounced parallel striations running along its surface and a smaller crystal projecting near the upper termination.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eSelenite is the transparent crystalline variety of gypsum. Ram’s Horn specimens are distinguished by their unusual curved or coiled growth, and the\u003cstrong\u003e Mariposa Mine\u003c\/strong\u003e is a classic \u003cstrong\u003eTexas locality\u003c\/strong\u003e for this sculptural habit. The mine is part of the historic Terlingua Mercury District in Brewster County.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThis specimen comes from the Bill Rouslin Collection, where it was recorded as specimen #779. It is also accompanied by older Schortmann’s Minerals and Charles B. Ward labels, preserving additional documentation from its collection history. The specimen is presented on an acrylic display base.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eMineral:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Gypsum (variety Selenite)\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003e\u003cspan\u003eLocality:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Mariposa Mine, California Hill, Terlingua Mercury District, Brewster Co, Texas, USA\u003cbr\u003e\u003c\/span\u003e\u003cstrong\u003eCrystal System:\u003c\/strong\u003e monoclinic\u003cbr\u003e\u003cstrong\u003e\u003cspan\u003eProvenance:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Ex Bill Rouslin Collection\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003e\u003cspan\u003eDimensions:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e 11 cm long\u003c\/span\u003e\u003cbr\u003e\u003c\/p\u003e","brand":"Rocky Mountain Minerals and Fossils","offers":[{"title":"Default Title","offer_id":52742138102042,"sku":null,"price":200.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0679\/6011\/1386\/files\/rams-horn-selenite-mariposa-mine-texas-01.jpg?v=1787696711"},{"product_id":"vesuvianite-sierra-de-cruces-coahuila-mexico","title":"Vesuvianite - Sierra de Cruces, Coahuila, Mexico","description":"\u003cp\u003e\u003cspan\u003eA substantial golden-brown \u003cstrong\u003evesuvianite\u003c\/strong\u003e crystal with a robust, blocky form and strongly developed growth surfaces. The crystal ranges from translucent honey-yellow along its edges to deeper brown through the thicker interior, with stepped textures and a bright vitreous to resinous lustre.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe accompanying historic labels identify the locality as \u003cstrong\u003e“Laguna de Jaco, Chihuahua.”\u003c\/strong\u003e This is a well-known older locality attribution used for Mexican vesuvianite and grossular specimens. Modern locality research places this material at Sierra de Cruces, east of Laguna de Jaco, near Hércules in Coahuila, Mexico.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThis specimen comes from the Bill Rouslin Collection, where it was recorded as specimen #695. It is accompanied by the Laguna de Jaco collection label and an earlier label numbered SAM168.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eMineral:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Vesuvianite (Idocrase)\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003e\u003cspan\u003eCorrected locality:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Sierra de Cruces, east of Laguna de Jaco, near Hércules, Sierra Mojada Municipality, Coahuila, Mexico\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003e\u003cspan\u003eHistoric label locality:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Laguna de Jaco, Chihuahua, Mexico\u003cbr\u003e\u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eCrystal System: \u003c\/span\u003e\u003c\/strong\u003eTetragonal\u003cstrong\u003e\u003cspan\u003e\u003cbr\u003eMineral Class: \u003c\/span\u003e\u003c\/strong\u003eSorosilicate\u003cstrong\u003e\u003cspan\u003e\u003cbr\u003eProvenance:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Ex Bill Rouslin Collection\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003e\u003cspan\u003eEarlier label:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e SAM168\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003e\u003cspan\u003eDimensions:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e 5.5 cm × 3.5 cm × 4 cm\u003c\/span\u003e\u003cbr\u003e\u003c\/p\u003e","brand":"Rocky Mountain Minerals and Fossils","offers":[{"title":"Default Title","offer_id":52742241485082,"sku":null,"price":85.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0679\/6011\/1386\/files\/vesuvianite-sierra-de-cruces-mexico-01.jpg?v=1787699412"},{"product_id":"trilobite","title":"Trilobite (Cernuolimbus ludvigseni) - Bull River Valley, Cranbrook, British Columbia, Canada","description":"\u003cp\u003eThis specimen consists of two large plates (part and counterpart) revealing a large complete trilobite. The species has been identified as \u003cem\u003e\u003cstrong\u003eCernuolimbus ludvigseni\u003c\/strong\u003e. \u003c\/em\u003eIt was collected in the \u003cstrong\u003eBull River Valley\u003c\/strong\u003e, located east of \u003cstrong\u003eCranbrook \u003c\/strong\u003eand\u003cstrong\u003e Fort Steele, BC\u003c\/strong\u003e in sediments of the \u003cstrong\u003eMcKay Group (Cambrian age)\u003c\/strong\u003e. The preservation is excellent and makes for a terrific display piece. In addition to the large trilobite, there is also a small \u003cstrong\u003eagnostid\u003c\/strong\u003e trilobite on one plate (see close-up on last photograph). Provenance here is excellent as this is directly from the discoverer to you.\u003c\/p\u003e\n\u003cp\u003eBritish Columbia fossils are illegal to sell, except under special circumstances. I represent a team that has claims on several trilobite localities in BC that have been legally grandfathered into older legislation. \u003cstrong\u003eThis allows them to legally excavate, prepare and sell fossils from these particular claims, including this specimen\u003c\/strong\u003e. Mostly, they collect for themselves and only sell specimens to fund their collecting expenses. They simply love fossils and field collecting. Additionally, they have done a terrific job allowing the scientific community and local fossil clubs and school groups onto their claims for research, collecting and education. In my opinion, they are going above and beyond any legal requirements. As the Star Wars character The Mandalorian says, this is the way. \u003c\/p\u003e\n\u003cp\u003eFor those interested in learning more about the trilobites of the McKay Group I recommend the following scientific paper: \u003cstrong\u003eFurongian (Upper Cambrian) trilobites from the McKay Group, Bull River Valley, near Cranbrook, southeastern British Columbia, Canada (2016) by Brian D. E. Chatterton and Stacey Gibb in \u003cem\u003ePalaeontographica Canadiana\u003c\/em\u003e No 35\u003c\/strong\u003e. It is jointly published by the Canadian Society of Petroleum Geologists (now known as the Canadian Energy Geoscience Association) and the Geological Association of Canada.\u003cstrong\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFossil: \u003c\/strong\u003eTrilobite\u003cstrong\u003e\u003cbr\u003eSpecies: \u003c\/strong\u003e\u003cem\u003eCernuolimbus ludvigseni\u003c\/em\u003e (plus a small unidentified agnostid trilobite)\u003cstrong\u003e\u003cbr\u003eAge: \u003c\/strong\u003eUpper Cambrian\u003cstrong\u003e\u003cbr\u003eFormation: \u003c\/strong\u003eMcKay Group\u003cbr\u003e\u003cstrong\u003eLocality: \u003c\/strong\u003eBull River Valley, East of Cranbrook, British Columbia, Canada\u003cstrong\u003e\u003cbr\u003eDimensions: \u003c\/strong\u003eTrilobite size: 4.25 x 3 cm\u003cbr\u003ePlate1: 35 x 21cm, weight 1670g\u003cbr\u003ePlate2: 35 x 19cm, weight 2077g\u003c\/p\u003e","brand":"Rocky Mountain Minerals and Fossils","offers":[{"title":"Default Title","offer_id":52749157237018,"sku":null,"price":500.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0679\/6011\/1386\/files\/Trilobite01-02.jpg?v=1787872434"},{"product_id":"trilobite-3","title":"Trilobite (Irvingella species B) - Bull River Valley, Cranbrook, British Columbia, Canada","description":"\u003cp\u003eFor those looking for something quite unique here is a relatively new (to science) trilobite called \u003cem\u003e\u003cstrong\u003eIrvingella (species B)\u003c\/strong\u003e\u003c\/em\u003e. It has not yet been fully described - hence the odd name - and I have several to pick from.  This trilobite has recently been collected from the \u003cstrong\u003eUpper Cambrian\u003c\/strong\u003e \u003cstrong\u003eMcKay Group\u003c\/strong\u003e in the \u003cstrong\u003eBull River Valley\u003c\/strong\u003e, east of \u003cstrong\u003eCranbrook \u003c\/strong\u003eand\u003cstrong\u003e Fort Steele, BC\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eThis plate reveals a small Irvingella (species B) trilobite with both genial (cephalon) spines and both pleural (thorax) spines. These spines are among the features that help identify this ancient arthropod and are somewhat diagnostic. Edges of the cephalon (head) are missing so, while this is not a perfect example it does have those important spines and it is quite uncommon. The slate matrix has some banding in it that help make the whole composition quite aesthetic as well. A very good overall specimen.\u003c\/p\u003e\n\u003cp\u003eBritish Columbia fossils are illegal to sell, except under special circumstances. I represent a team that has claims on several trilobite localities in BC that have been legally grandfathered into older legislation. \u003cstrong\u003eThis allows them to legally excavate, prepare and sell fossils from these particular claims, including this specimen\u003c\/strong\u003e. Mostly, they collect for themselves and only sell specimens to fund their collecting expenses. They simply love fossils and field collecting. Additionally, they have done a terrific job allowing the scientific community and local fossil clubs and school groups onto their claims for research, collecting and education. In my opinion, they are going above and beyond any legal requirements. As the Star Wars character The Mandalorian says, this is the way. \u003c\/p\u003e\n\u003cp\u003eFor those interested in learning more about the trilobites of the McKay Group I recommend the following scientific paper: \u003cstrong\u003eFurongian (Upper Cambrian) trilobites from the McKay Group, Bull River Valley, near Cranbrook, southeastern British Columbia, Canada (2016) by Brian D. E. Chatterton and Stacey Gibb in \u003cem\u003ePalaeontographica Canadiana\u003c\/em\u003e No 35\u003c\/strong\u003e. It is jointly published by the Canadian Society of Petroleum Geologists (now known as the Canadian Energy Geoscience Association) and the Geological Association of Canada.\u003cstrong\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFossil: \u003c\/strong\u003eTrilobite\u003cstrong\u003e\u003cbr\u003eSpecies:\u003c\/strong\u003e\u003cem\u003e Irvingella (species B)\u003c\/em\u003e\u003cstrong\u003e\u003cbr\u003eAge: \u003c\/strong\u003eUpper Cambrian\u003cstrong\u003e\u003cbr\u003eFormation: \u003c\/strong\u003eMcKay Group\u003cbr\u003e\u003cstrong\u003eLocality: \u003c\/strong\u003eBull River Valley, East of Cranbrook, British Columbia, Canada\u003cstrong\u003e\u003cbr\u003eDimensions: \u003c\/strong\u003eTrilobite size: 1 cm long\u003cbr\u003ePlate size: 12 x 8 cm\u003c\/p\u003e","brand":"Rocky Mountain Minerals and Fossils","offers":[{"title":"Default Title","offer_id":52749190856986,"sku":null,"price":70.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0679\/6011\/1386\/files\/Trilobite03-02.jpg?v=1787858536"},{"product_id":"trilobite-4","title":"Trilobite (Irvingella species B) - Bull River Valley, Cranbrook, British Columbia, Canada","description":"\u003cp\u003eFor those looking for something quite unique here is a relatively new (to science) trilobite called \u003cem\u003e\u003cstrong\u003eIrvingella (species B)\u003c\/strong\u003e\u003c\/em\u003e. It has not yet been fully described - hence the odd name - and I have several to pick from. This trilobite has recently been collected from the \u003cstrong\u003eUpper Cambrian\u003c\/strong\u003e \u003cstrong\u003eMcKay Group\u003c\/strong\u003e in the \u003cstrong\u003eBull River Valley\u003c\/strong\u003e, east of \u003cstrong\u003eCranbrook \u003c\/strong\u003eand\u003cstrong\u003e Fort Steele, BC\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eThis is the smallest example I currently have available measuring just under 1 cm long. Like most McKay Group trilobites, this one contrasts nicely against the gray slate matrix. The prominent genial and pleural spines of this species are partially present. One genial spine appears to be bent to one side protruding to the left of the head (cephalon) while the right side is missing. One well-preserved pleural spine is present on the lower right side of the thorax (body). Unfortunately the left pleural spine is missing. Upon close examination, there is some minor damage or missing pieces to the thorax and cephalon. This species is quite uncommon and is still being researched so any example is special indeed. \u003c\/p\u003e\n\u003cp\u003eBritish Columbia fossils are illegal to sell, except under special circumstances. I represent a team that has claims on several trilobite localities in BC that have been legally grandfathered into older legislation. \u003cstrong\u003eThis allows them to legally excavate, prepare and sell fossils from these particular claims, including this specimen\u003c\/strong\u003e. Mostly, they collect for themselves and only sell specimens to fund their collecting expenses. They simply love fossils and field collecting. Additionally, they have done a terrific job allowing the scientific community and local fossil clubs and school groups onto their claims for research, collecting and education. In my opinion, they are going above and beyond any legal requirements. As the Star Wars character The Mandalorian says, this is the way. \u003c\/p\u003e\n\u003cp\u003eFor those interested in learning more about the trilobites of the McKay Group I recommend the following scientific paper: \u003cstrong\u003eFurongian (Upper Cambrian) trilobites from the McKay Group, Bull River Valley, near Cranbrook, southeastern British Columbia, Canada (2016) by Brian D. E. Chatterton and Stacey Gibb in \u003cem\u003ePalaeontographica Canadiana\u003c\/em\u003e No 35\u003c\/strong\u003e. It is jointly published by the Canadian Society of Petroleum Geologists (now known as the Canadian Energy Geoscience Association) and the Geological Association of Canada.\u003cstrong\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFossil: \u003c\/strong\u003eTrilobite\u003cstrong\u003e\u003cbr\u003eSpecies:\u003c\/strong\u003e\u003cem\u003e Irvingella (species B)\u003c\/em\u003e\u003cstrong\u003e\u003cbr\u003eAge: \u003c\/strong\u003eUpper Cambrian\u003cstrong\u003e\u003cbr\u003eFormation: \u003c\/strong\u003eMcKay Group\u003cbr\u003e\u003cstrong\u003eLocality: \u003c\/strong\u003eBull River Valley, East of Cranbrook, British Columbia, Canada\u003cstrong\u003e\u003cbr\u003eDimensions: \u003c\/strong\u003eTrilobite size: 90mm long\u003cbr\u003ePlate size: 7 x 3.5 cm\u003c\/p\u003e","brand":"Rocky Mountain Minerals and Fossils","offers":[{"title":"Default Title","offer_id":52749202719002,"sku":null,"price":65.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0679\/6011\/1386\/files\/Trilobite04-01.jpg?v=1788299262"},{"product_id":"chalcopyrite-galena-with-calcite-and-sphalerite-osikovo-orebody-madan-bulgaria","title":"Chalcopyrite \u0026 Galena with Calcite and Sphalerite – Osikovo Orebody, Madan, Bulgaria","description":"\u003cp\u003eAn attractive multi-mineral specimen from the \u003cstrong\u003eOsikovo Orebody, Deveti Septemvri Complex, Madan Orefield, Bulgaria\u003c\/strong\u003e, featuring prominent brassy-gold \u003cstrong\u003echalcopyrite\u003c\/strong\u003e associated with silvery \u003cstrong\u003egalena\u003c\/strong\u003e, dark \u003cstrong\u003esphalerite\u003c\/strong\u003e, and contrasting white \u003cstrong\u003ecalcite\u003c\/strong\u003e crystals.\u003c\/p\u003e\n\u003cp\u003eThe specimen displays a particularly appealing combination of metallic sulphide minerals against the lighter calcite, with well-defined crystal surfaces and strong metallic luster. The association is characteristic of the famous lead-zinc deposits of the Madan mining district, easily one of my favourite localities (I love metallic minerals).\u003c\/p\u003e\n\u003cp\u003eThe original North Star Minerals label records the specimen as mined in 1997. It was acquired by the late Bill Rouslin and resided in his collection until now, so there is useful collection provenance here.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eMineral:\u003c\/strong\u003e Chalcopyrite, Galena, Calcite \u0026amp; Sphalerite\u003cbr\u003e\u003cstrong\u003eLocality:\u003c\/strong\u003e Osikovo Orebody, Deveti Septemvri Complex, Madan Orefield, Bulgaria\u003cbr\u003e\u003cstrong\u003eCrystal System:\u003c\/strong\u003e Tetragonal (Chalcopyrite); Cubic (Galena); Trigonal (Calcite); Cubic (Sphalerite)\u003cbr\u003e\u003cstrong\u003eMineral Class:\u003c\/strong\u003e Sulfides with Carbonate\u003cbr\u003e\u003cstrong\u003eProvenance:\u003c\/strong\u003e Ex Bill Rouslin #418; North Star Minerals; Mined 1997\u003cbr\u003e\u003cstrong\u003eDimensions:\u003c\/strong\u003e 8 × 5.5 cm\u003c\/p\u003e","brand":"Rocky Mountain Minerals and Fossils","offers":[{"title":"Default Title","offer_id":52749425049882,"sku":null,"price":140.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0679\/6011\/1386\/files\/Chalcopyrite-Galena-Calcite-Sphalerite-Osikovo-Madan-Bulgaria02.jpg?v=1787863159"},{"product_id":"sphalerite-with-fluorite-quartz-rodderup-mine-cumberland-england","title":"Sphalerite with Fluorite \u0026 Quartz – Rodderup Mine, Cumberland, England","description":"\u003cp\u003eA classic British mineral specimen featuring lustrous, dark \u003cstrong\u003esphalerite\u003c\/strong\u003e crystals associated with \u003cstrong\u003efluorite and quartz\u003c\/strong\u003e from the historic \u003cstrong\u003eRodderup Mine, Cumberland, England\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eThe specimen is dominated by dark brown to nearly black sphalerite with strongly reflective crystal faces and a bright resinous to submetallic luster. Pale fluorite and quartz provide contrast across the matrix, creating an attractive example of the characteristic sulfide and gangue mineral associations found in the historic Cumberland mining district.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eMinerals:\u003c\/strong\u003e Sphalerite, Fluorite, Quartz\u003cbr\u003e\u003cstrong\u003eLocality:\u003c\/strong\u003e Rodderup Mine, Cumberland, England, United Kingdom\u003cbr\u003e\u003cstrong\u003eCrystal System:\u003c\/strong\u003e Cubic (Sphalerite); Cubic (Fluorite); Trigonal (Quartz)\u003cbr\u003e\u003cstrong\u003eMineral Class:\u003c\/strong\u003e Sulfide, Halide, Silicate\u003cbr\u003e\u003cstrong\u003eProvenance:\u003c\/strong\u003e Ex Rob Belcher (The Aesthetics Underground)\u003cbr\u003e\u003cstrong\u003eDimensions:\u003c\/strong\u003e 9.5 × 6.5 cm\u003c\/p\u003e","brand":"Rocky Mountain Minerals and Fossils","offers":[{"title":"Default Title","offer_id":52749464994074,"sku":null,"price":125.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0679\/6011\/1386\/files\/Sphalerite-Fluorite-Quartz-Rodderup-Mine-Cumberland-England04.jpg?v=1787864008"},{"product_id":"plancheite-with-libethenite-quartz-kakanda-dr-congo","title":"Plancheite with Libethenite, Quartz \u0026 Calcite – Kakanda, Democratic Republic of the Congo","description":"\u003cp\u003eA striking copper-mineral specimen featuring rich green to blue-green \u003cstrong\u003eplancheite\u003c\/strong\u003e associated with dark green \u003cstrong\u003elibethenite\u003c\/strong\u003e with\u003cstrong\u003e quartz \u003c\/strong\u003eand\u003cstrong\u003e calcite\u003c\/strong\u003e from \u003cstrong\u003eKakanda, Democratic Republic of the Congo\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eThe specimen is dominated by light shades of blue-green plancheite forming an intricate textured coating across the matrix. Plancheite is a hydrated copper silicate known for its distinctive coloration and typically occurs in the oxidized zones of copper deposits. Crevices within the planceite reveal sparkling, dark green libethenite crystals best appreciated under magnification. Crystalline white to colourless quartz and pink calcite provide nice contrast.\u003c\/p\u003e\n\u003cp\u003eThe late Mike Clark obtained the specimen from The Aesthetics Underground, Banff, Alberta and labeled it specimen #987. I obtained the piece from a colleague of Mike's.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eMinerals:\u003c\/strong\u003e Plancheite, Libethenite, Quartz\u003cbr\u003e\u003cstrong\u003eLocality:\u003c\/strong\u003e Kakanda, Lualaba Province, Democratic Republic of the Congo\u003cbr\u003e\u003cstrong\u003eCrystal System:\u003c\/strong\u003e Orthorhombic (Plancheite); Orthorhombic (Libethenite); Trigonal (Quartz)\u003cbr\u003e\u003cstrong\u003eMineral Class:\u003c\/strong\u003e Silicates, Phosphates, Carbonates\u003cbr\u003e\u003cstrong\u003eProvenance:\u003c\/strong\u003e Ex Mike Clark #987; The Aesthetics Underground\u003cbr\u003e\u003cstrong\u003eDimensions:\u003c\/strong\u003e 6.5 × 4 cm\u003c\/p\u003e","brand":"Rocky Mountain Minerals and Fossils","offers":[{"title":"Default Title","offer_id":52749493764378,"sku":null,"price":75.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0679\/6011\/1386\/files\/Plancheite-Libethenite-Quartz-Kakanda-DR-Congo02.jpg?v=1787864574"},{"product_id":"topaz-minas-gerais-brazil","title":"Topaz – Minas Gerais, Brazil","description":"\u003cp\u003eA substantial natural \u003cstrong\u003etopaz crystal\u003c\/strong\u003e from \u003cstrong\u003eMinas Gerais, Brazil\u003c\/strong\u003e, displaying a transparent to translucent, near-colorless body with subtle internal inclusions and warm iron-stained areas that add character to the specimen.\u003c\/p\u003e\n\u003cp\u003eThe complex crystal shows the elongated prismatic form characteristic of topaz, with prominent longitudinal striations. Actually two crystals, the specimen has a smaller crystal emanating from the end of larger one and both are fully terminated with sharp faces. Its clarity allows internal fractures, inclusions, and growth features to remain visible, giving the specimen considerable visual interest.\u003c\/p\u003e\n\u003cp\u003eMinas Gerais is one of the world's classic sources for topaz and has produced exceptional crystals in a wide range of colors and sizes.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eMinerals:\u003c\/strong\u003e Topaz\u003cbr\u003e\u003cstrong\u003eLocality:\u003c\/strong\u003e Minas Gerais, Brazil\u003cbr\u003e\u003cstrong\u003eCrystal System:\u003c\/strong\u003e Orthorhombic\u003cbr\u003e\u003cstrong\u003eMineral Class:\u003c\/strong\u003e Silicate\u003cbr\u003e\u003cstrong\u003eProvenance:\u003c\/strong\u003e Ex Rob Belcher (The Aesthetics Underground)\u003cbr\u003e\u003cstrong\u003eDimensions:\u003c\/strong\u003e 6.5 × 3.3 × 3.25 cm\u003c\/p\u003e","brand":"Rocky Mountain Minerals and Fossils","offers":[{"title":"Default Title","offer_id":52749514440986,"sku":null,"price":190.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0679\/6011\/1386\/files\/Topaz-Minas-Gerais-Brazil01.jpg?v=1787865218"},{"product_id":"scheelite-mt-xuebaoding-pingwu-sichuan-china","title":"Scheelite – Mt. Xuebaoding, Pingwu, Sichuan, China","description":"\u003cp\u003eAn impressive \u003cstrong\u003escheelite crystal\u003c\/strong\u003e from the famous \u003cstrong\u003eMt. Xuebaoding mining area near Pingwu, Sichuan, China\u003c\/strong\u003e. The specimen features a large honey-golden scheelite crystal with strongly reflective crystal faces and distinctive surface growth patterns.\u003c\/p\u003e\n\u003cp\u003eScheelite from the Xuebaoding locality is highly regarded by mineral collectors for its well-developed crystals, attractive coloration, and exceptional luster. This example displays the characteristic tetragonal crystal habit of scheelite, with broad lustrous faces and excellent visual presence.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eMinerals:\u003c\/strong\u003e Scheelite\u003cbr\u003e\u003cstrong\u003eLocality:\u003c\/strong\u003e Mt. Xuebaoding, Mianyang, Pingwu County, Sichuan, China\u003cbr\u003e\u003cstrong\u003eCrystal System:\u003c\/strong\u003e Tetragonal\u003cbr\u003e\u003cstrong\u003eMineral Class:\u003c\/strong\u003e Tungstate\u003cbr\u003e\u003cstrong\u003eProvenance:\u003c\/strong\u003e Ex Rob Belcher (The Aesthetics Underground)\u003cbr\u003e\u003cstrong\u003eDimensions:\u003c\/strong\u003e 5 × 4.5 × 3 cm\u003c\/p\u003e","brand":"Rocky Mountain Minerals and Fossils","offers":[{"title":"Default Title","offer_id":52749547077914,"sku":null,"price":125.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0679\/6011\/1386\/files\/Scheelite-Mt-Xuebaoding-Pingwu-Sichuan-China01.jpg?v=1787865997"},{"product_id":"chalcopyrite-with-siderite-kaiwu-mine-hezhang-guizhou-china","title":"Chalcopyrite with Siderite – Kaiwu Mine, Hezhang, Guizhou, China","description":"\u003cp\u003eThis is one of my favourite metallic mineral specimens in inventory. An attractive \u003cstrong\u003echalcopyrite and siderite\u003c\/strong\u003e specimen from the \u003cstrong\u003eKaiwu Mine, Hezhang County, Guizhou, China\u003c\/strong\u003e, featuring abundant brassy-gold metallic chalcopyrite crystals in a dense, highly lustrous cluster.\u003c\/p\u003e\n\u003cp\u003eThe specimen shows numerous well-developed chalcopyrite crystals with sharp angular forms and strongly reflective metallic surfaces. Siderite is associated throughout the specimen, creating a classic sulfide-carbonate mineral association. The rich golden coloration, complex crystal growth and strong metallic luster make this a visually striking display specimen.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eMinerals:\u003c\/strong\u003e Chalcopyrite, Siderite\u003cbr\u003e\u003cstrong\u003eLocality:\u003c\/strong\u003e Kaiwu Mine, Hezhang County, Guizhou, China\u003cbr\u003e\u003cstrong\u003eCrystal System:\u003c\/strong\u003e Tetragonal (Chalcopyrite); Trigonal (Siderite)\u003cbr\u003e\u003cstrong\u003eMineral Class:\u003c\/strong\u003e Sulfide, Carbonate\u003cbr\u003e\u003cstrong\u003eProvenance:\u003c\/strong\u003e Ex Mike Christofolakos; The Aesthetics Underground\u003cbr\u003e\u003cstrong\u003eDimensions:\u003c\/strong\u003e 7.5 × 4 × 4 cm\u003c\/p\u003e","brand":"Rocky Mountain Minerals and Fossils","offers":[{"title":"Default Title","offer_id":52749559628058,"sku":null,"price":125.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0679\/6011\/1386\/files\/Chalcopyrite-Siderite-Kaiwu-Mine-Hezhang-Guizhou-China01.jpg?v=1787866408"},{"product_id":"stilbite-pandulane-india","title":"Stilbite – Pandulane, India","description":"\u003cp\u003eA substantial and attractive \u003cstrong\u003estilbite\u003c\/strong\u003e specimen from \u003cstrong\u003ePandulane, India\u003c\/strong\u003e, featuring a dramatic cluster of large cream-white to pale peach \"bow-tie\" crystals. \u003c\/p\u003e\n\u003cp\u003eThe specimen displays broad, bladed stilbite crystals arranged in an intergrown cluster, with prominent longitudinal striations and a soft pearly to vitreous luster. Several of the crystals are particularly large and well developed, giving the specimen excellent dimensionality and display presence.\u003c\/p\u003e\n\u003cp\u003eStilbite is a member of the zeolite group and is especially well known from the basalt deposits of India, which have produced some of the world's finest and largest crystallized examples of the species.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eMinerals:\u003c\/strong\u003e Stilbite\u003cbr\u003e\u003cstrong\u003eLocality:\u003c\/strong\u003e Pandulane, India\u003cbr\u003e\u003cstrong\u003eCrystal System:\u003c\/strong\u003e Monoclinic\u003cbr\u003e\u003cstrong\u003eMineral Class:\u003c\/strong\u003e Silicate (Zeolite)\u003cbr\u003e\u003cstrong\u003eProvenance:\u003c\/strong\u003e Ex Tom Collins\u003cbr\u003e\u003cstrong\u003eDimensions:\u003c\/strong\u003e 8.5 × 6.5 cm\u003c\/p\u003e","brand":"Rocky Mountain Minerals and Fossils","offers":[{"title":"Default Title","offer_id":52749724582170,"sku":null,"price":150.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0679\/6011\/1386\/files\/Stilbite-Pandulane-India01.jpg?v=1787871166"},{"product_id":"microlite-with-cassiterite-tourmaline-on-lepidolite-virgem-da-lapa-minas-gerais-brazil","title":"Microlite with Cassiterite \u0026 Tourmaline on Lepidolite – Virgem da Lapa, Minas Gerais, Brazil","description":"\u003cp\u003eAn interesting multi-mineral pegmatite specimen featuring \u003cstrong\u003emicrolite, cassiterite and tourmaline on purple lepidolite\u003c\/strong\u003e from \u003cstrong\u003eVirgem da Lapa, Minas Gerais, Brazil\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eThe specimen is dominated by a sparkling lavender to \u003cstrong\u003epurple lepidolite\u003c\/strong\u003e matrix hosting small \u003cstrong\u003ebrown octahedral microlite crystals\u003c\/strong\u003e, contrasting \u003cstrong\u003eblack cassiterite\u003c\/strong\u003e, and \u003cstrong\u003egemmy green tourmalines (elbaite)\u003c\/strong\u003e. The combination of several collectible pegmatite minerals on the colorful lepidolite matrix makes this an appealing and mineralogically diverse specimen.\u003c\/p\u003e\n\u003cp\u003eMicrolite is a tantalum-rich oxide mineral typically found in granitic pegmatites and is considerably less familiar than many of the minerals with which it occurs. One of the accompanying historic labels specifically describes this specimen as \u003cstrong\u003e“small brown octahedral [crystals] with black cassiterite (tin oxide) on purple lepidolite.”\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe specimen comes from with a label from the Mark \u0026amp; Jeanette Rogers Fine Minerals (USA) dealership. At some point, it was acquired by an unknown Calgary, Alberta collection and later ended up in Value Village in Calgary (a thrift store). This \"Value Village collection\" was purchased by the sharp eye of an enterprising young man in Calgary who later sold it to me at Rocky Mountain Minerals \u0026amp; Fossils. \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eMinerals:\u003c\/strong\u003e Microlite, Cassiterite, Tourmaline, Lepidolite\u003cbr\u003e\u003cstrong\u003eLocality:\u003c\/strong\u003e Virgem da Lapa, Minas Gerais, Brazil\u003cbr\u003e\u003cstrong\u003eCrystal System:\u003c\/strong\u003e Cubic (Microlite); Tetragonal (Cassiterite); Trigonal (Tourmaline); Monoclinic (Lepidolite)\u003cbr\u003e\u003cstrong\u003eMineral Class:\u003c\/strong\u003e Oxides, Silicates\u003cbr\u003e\u003cstrong\u003eProvenance:\u003c\/strong\u003e Ex Daniel Nieviadomy; Unknown Calgary collector; Mark \u0026amp; Jeanette Rogers Fine Minerals\u003cbr\u003e\u003cstrong\u003eDimensions:\u003c\/strong\u003e 7.5 × 6  cm (longest tourmaline = 1.5 cm)\u003c\/p\u003e","brand":"Rocky Mountain Minerals and Fossils","offers":[{"title":"Default Title","offer_id":52749729890586,"sku":null,"price":75.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0679\/6011\/1386\/files\/Microlite-Cassiterite-Tourmaline-Lepidolite-Virgem-da-Lapa-Brazil01.jpg?v=1787871512"},{"product_id":"brazilianite-with-albite-linopolis-minas-gerais-brazil","title":"Brazilianite with Albite – Linópolis, Minas Gerais, Brazil","description":"\u003cp\u003eThis specimen pairs vivid yellow-green \u003cstrong\u003eBrazilianite\u003c\/strong\u003e crystals with contrasting white \u003cstrong\u003ealbite\u003c\/strong\u003e from \u003cstrong\u003eLinópolis, Minas Gerais, Brazil\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eThe Brazilianite occurs as elongated prismatic crystals with vitreous luster and the characteristic chartreuse to greenish-yellow coloration of the species. The surrounding pale albite matrix provides an attractive contrast that makes the color and crystal form particularly noticeable.\u003c\/p\u003e\n\u003cp\u003eBrazilianite is a relatively uncommon phosphate mineral best known from the granitic pegmatites of Minas Gerais. Fine Brazilian material is especially sought after for its distinctive yellow to greenish-yellow coloration and well-developed crystals.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eMinerals:\u003c\/strong\u003e Brazilianite, Albite\u003cbr\u003e\u003cstrong\u003eLocality:\u003c\/strong\u003e Linópolis, Minas Gerais, Brazil\u003cbr\u003e\u003cstrong\u003eCrystal System:\u003c\/strong\u003e Monoclinic (Brazilianite); Triclinic (Albite)\u003cbr\u003e\u003cstrong\u003eMineral Class:\u003c\/strong\u003e Phosphate\u003cbr\u003e\u003cstrong\u003eProvenance:\u003c\/strong\u003e Ex Rob Belcher (The Aesthetics Underground)\u003cbr\u003e\u003cstrong\u003eDimensions:\u003c\/strong\u003e 4 cm x 4 cm x 3 cm\u003c\/p\u003e","brand":"Rocky Mountain Minerals and Fossils","offers":[{"title":"Default Title","offer_id":52795341701402,"sku":null,"price":225.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0679\/6011\/1386\/files\/Brazilianite-Albite-Linopolis-Minas-Gerais-Brazil02.jpg?v=1788545093"},{"product_id":"rhodochrosite-on-quartz-grizzly-mine-colorado-usa","title":"Rhodochrosite on Quartz – Grizzly Mine, Colorado, USA","description":"\u003cp\u003eAn attractive \u003cstrong\u003erhodochrosite on quartz\u003c\/strong\u003e specimen from the \u003cstrong\u003eGrizzly Mine, Colorado, USA\u003c\/strong\u003e, featuring distinctive pink rhodochrosite crystals prominently positioned on a contrasting white quartz matrix. I really like the naturally-etched surfaces on the rhodo which give it a lot of visual interest.\u003c\/p\u003e\n\u003cp\u003eThe rhodochrosite displays a soft salmon-pink to rose coloration and well-defined crystal growth, standing out beautifully against the bright crystalline matrix. The association of colorful rhodochrosite with quartz makes this an appealing example of a classic Colorado mineral species.\u003c\/p\u003e\n\u003cp\u003eColorado is particularly famous among mineral collectors for its rhodochrosite occurrences, and specimens from historic mining localities are sought after for both their mineralogical interest and locality provenance.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eMinerals:\u003c\/strong\u003e Rhodochrosite, Quartz\u003cbr\u003e\u003cstrong\u003eLocality:\u003c\/strong\u003e Grizzly Mine, Colorado, USA\u003cbr\u003e\u003cstrong\u003eCrystal System:\u003c\/strong\u003e Trigonal (Rhodochrosite); Trigonal (Quartz)\u003cbr\u003e\u003cstrong\u003eMineral Class:\u003c\/strong\u003e Carbonate\u003cbr\u003e\u003cstrong\u003eProvenance:\u003c\/strong\u003e Ex Rob Belcher\u003cbr\u003e\u003cstrong\u003eDimensions:\u003c\/strong\u003e 3.5 x 3.5 x 3 cm\u003c\/p\u003e","brand":"Rocky Mountain Minerals and Fossils","offers":[{"title":"Default Title","offer_id":52795399110938,"sku":null,"price":175.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0679\/6011\/1386\/files\/Rhodochrosite-Quartz-Grizzly-Mine-Colorado-USA03.jpg?v=1788546258"},{"product_id":"brewsterite-yellow-lake-olalla-british-columbia-canada","title":"Brewsterite – Yellow Lake, Olalla, British Columbia, Canada","description":"\u003cp\u003eAn attractive \u003cstrong\u003eBrewsterite\u003c\/strong\u003e specimen from the \u003cstrong\u003eYellow Lake locality near Olalla, British Columbia, Canada\u003c\/strong\u003e, featuring a dense coating of small, sparkling cream-white to pale peach crystals.\u003c\/p\u003e\n\u003cp\u003eThe specimen displays numerous closely intergrown Brewsterite crystals across the matrix, producing a bright, finely textured surface with vitreous to pearly luster. The subtle cream and peach coloration gives the specimen a particularly attractive appearance under direct lighting.\u003c\/p\u003e\n\u003cp\u003eBrewsterite is an \u003cstrong\u003euncommon zeolite-group mineral\u003c\/strong\u003e, making this specimen particularly interesting to collectors of zeolites and Canadian minerals. Yellow Lake is a recognized British Columbia locality for Brewsterite and other mineral species.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eMinerals:\u003c\/strong\u003e Brewsterite\u003cbr\u003e\u003cstrong\u003eLocality:\u003c\/strong\u003e Yellow Lake, near Olalla, British Columbia, Canada\u003cbr\u003e\u003cstrong\u003eCrystal System:\u003c\/strong\u003e Monoclinic\u003cbr\u003e\u003cstrong\u003eMineral Class:\u003c\/strong\u003e Silicate (Zeolite)\u003cbr\u003e\u003cstrong\u003eProvenance:\u003c\/strong\u003e Ex Rob Belcher (The Aesthetics Underground)\u003cbr\u003e\u003cstrong\u003eDimensions:\u003c\/strong\u003e 5 cm x 4 cm\u003c\/p\u003e","brand":"Rocky Mountain Minerals and Fossils","offers":[{"title":"Default Title","offer_id":52795420344602,"sku":null,"price":45.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0679\/6011\/1386\/files\/Brewsterite-Yellow-Lake-Olalla-British-Columbia-Canada01.jpg?v=1789079533"},{"product_id":"mimetite-tsumeb-mine-namibia","title":"Mimetite – Tsumeb Mine, Namibia","description":"\u003cp\u003eAn attractive \u003cstrong\u003emimetite\u003c\/strong\u003e specimen from the world-famous \u003cstrong\u003eTsumeb Mine, Namibia\u003c\/strong\u003e, featuring numerous small cream to pale yellow crystals covering the matrix.\u003c\/p\u003e\n\u003cp\u003eThe mimetite forms sparkling, closely intergrown crystals with a vitreous to resinous luster and subtle yellow coloration. The dense crystal coverage gives the specimen an appealing textured surface and makes it a fine example of this lead arsenate mineral. This pretty little piece is mounted on an acrylic stand.\u003c\/p\u003e\n\u003cp\u003eThe \u003cstrong\u003eTsumeb Mine\u003c\/strong\u003e is one of the world's most celebrated mineral localities, renowned for an extraordinary diversity of mineral species and exceptionally crystallized secondary lead, copper and zinc minerals. Mimetite is among the classic collectible species found at Tsumeb.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eMinerals:\u003c\/strong\u003e Mimetite\u003cbr\u003e\u003cstrong\u003eLocality:\u003c\/strong\u003e Tsumeb Mine, Tsumeb, Oshikoto Region, Namibia\u003cbr\u003e\u003cstrong\u003eCrystal System:\u003c\/strong\u003e Hexagonal\u003cbr\u003e\u003cstrong\u003eMineral Class:\u003c\/strong\u003e Arsenate\u003cbr\u003e\u003cstrong\u003eProvenance:\u003c\/strong\u003e Ex Rob Belcher (The Aesthetics Underground)\u003cbr\u003e\u003cstrong\u003eDimensions: \u003c\/strong\u003e2.5 cm x 4\u003cstrong\u003e \u003c\/strong\u003ecm\u003c\/p\u003e","brand":"Rocky Mountain Minerals and Fossils","offers":[{"title":"Default Title","offer_id":52795430109466,"sku":null,"price":90.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0679\/6011\/1386\/files\/Mimetite-Tsumeb-Mine-Namibia01.jpg?v=1788546988"},{"product_id":"lollingite-over-silver-castle-mine-gowganda-ontario-canada","title":"Löllingite over Silver – Castle Mine, Gowganda, Ontario, Canada","description":"\u003cp\u003eA distinctive\u003cstrong\u003e native silver specimen with löllingite\u003c\/strong\u003e from the historic \u003cstrong\u003eCastle Mine \u003c\/strong\u003ein the\u003cstrong\u003e Gowganda District, Ontario, Canada\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eClassic elongated, dendritic silver crystals, in branching patterns, partially-coated with löllingite. The silver crystals show \"spinel-twinning\" and are fascinating to review under magnification. These two minerals contrast nicely with the underlying white calcite on matrix. Measuring 11cm long, this is a healthy, cabinet-sized specimen and is quite attractive (for gray minerals!).\u003c\/p\u003e\n\u003cp\u003eThis Ontario district is known for its world-class silver specimens along with less common cobalt and arsenic-bearing minerals (löllingite is an iron arsenide). From the collection of friend and mentor, Rob Belcher.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eMinerals:\u003c\/strong\u003e Löllingite, Native Silver\u003cbr\u003e\u003cstrong\u003eLocality:\u003c\/strong\u003e Castle Mine, Gowganda District, Ontario, Canada\u003cbr\u003e\u003cstrong\u003eCrystal System:\u003c\/strong\u003e Orthorhombic (Löllingite); Cubic (Silver)\u003cbr\u003e\u003cstrong\u003eMineral Class:\u003c\/strong\u003e Arsenide (Löllingite); Native Element (Silver)\u003cbr\u003e\u003cstrong\u003eProvenance:\u003c\/strong\u003e Ex Rob Belcher (The Aesthetics Underground)\u003cbr\u003e\u003cstrong\u003eDimensions:\u003c\/strong\u003e 11 cm x 7 cm x 5.5 cm\u003c\/p\u003e","brand":"Rocky Mountain Minerals and Fossils","offers":[{"title":"Default Title","offer_id":52839611990298,"sku":null,"price":250.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0679\/6011\/1386\/files\/Lollingite-Silver-Castle-Mine-Gowganda-Ontario-Canada-01.jpg?v=1791753871"},{"product_id":"topaz-ematita-minas-gerais-brazil","title":"Topaz – Ematita, Minas Gerais, Brazil","description":"\u003cp\u003eAn eye-catching \u003cstrong\u003etopaz specimen\u003c\/strong\u003e from\u003cstrong\u003e Ematita, Minas Gerais, Brazil\u003c\/strong\u003e, featuring a cluster of highly transparent, colourless crystals with bright reflective surfaces and excellent sparkle. The intergrown crystals create a complex, sculptural appearance, with numerous crystal faces catching the light from different angles.\u003c\/p\u003e\n\u003cp\u003eMinas Gerais is internationally renowned for producing exceptional gem minerals, and Brazilian topaz has long been sought after by mineral and gemstone collectors. The combination of remarkable transparency, brilliant luster and a celebrated Brazilian locality makes this a particularly attractive display piece for a collector looking for a specimen with both visual impact and classic provenance.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eMinerals:\u003c\/strong\u003e Topaz\u003cbr\u003e\u003cstrong\u003eLocality:\u003c\/strong\u003e Ematita, Minas Gerais, Brazil\u003cbr\u003e\u003cstrong\u003eCrystal System:\u003c\/strong\u003e Orthorhombic\u003cbr\u003e\u003cstrong\u003eMineral Class:\u003c\/strong\u003e Silicate\u003cbr\u003e\u003cstrong\u003eProvenance:\u003c\/strong\u003e Ex Rob Belcher (The Aesthetics Underground)\u003cbr\u003e\u003cstrong\u003eDimensions:\u003c\/strong\u003e 8.5 x 7.5 cm\u003c\/p\u003e","brand":"Rocky Mountain Minerals and Fossils","offers":[{"title":"Default Title","offer_id":52839630045466,"sku":null,"price":250.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0679\/6011\/1386\/files\/Topaz-Ematita-Minas-Gerais-Brazil-01.jpg?v=1788983770"},{"product_id":"aquamarine-with-muscovite-orthoclase-mt-xuebaoding-sichuan-china","title":"Aquamarine with Muscovite \u0026 Orthoclase – Mt. 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Pale blue aquamarine crystals rise prominently from a contrasting matrix of sparkling muscovite and creamy-white orthoclase, creating a well-balanced specimen with strong visual interest.\u003c\/p\u003e\n\u003cp\u003eThe soft blue colour and translucency of the aquamarine stand out beautifully against the lighter matrix, while the abundance of reflective muscovite adds sparkle and texture.\u003cstrong\u003e \u003c\/strong\u003eThe combination of three contrasting minerals and the highly regarded Xuebaoding locality makes this an especially appealing choice for collectors who value both aesthetic mineral associations and classic Chinese specimens.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eMinerals:\u003c\/strong\u003e Aquamarine (Beryl), Muscovite, Orthoclase\u003cbr\u003e\u003cstrong\u003eLocality:\u003c\/strong\u003e Mt. Xuebaoding, Pingwu, Mianyang, Sichuan, China\u003cbr\u003e\u003cstrong\u003eCrystal System:\u003c\/strong\u003e Hexagonal (Aquamarine); Monoclinic (Muscovite, Orthoclase)\u003cbr\u003e\u003cstrong\u003eMineral Class:\u003c\/strong\u003e Silicate\u003cbr\u003e\u003cstrong\u003eProvenance:\u003c\/strong\u003e Ex Rob Belcher (The Aesthetics Underground)\u003cbr\u003e\u003cstrong\u003eDimensions:\u003c\/strong\u003e 7 × 5.5 × 3 cm\u003c\/p\u003e","brand":"Rocky Mountain Minerals and Fossils","offers":[{"title":"Default Title","offer_id":52839669530906,"sku":null,"price":240.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0679\/6011\/1386\/files\/Aquamarine-Muscovite-Orthoclase-Xuebaoding-Sichuan-China-01.jpg?v=1788985091"},{"product_id":"corundum-sapphire-crystal-cluster-mogok-myanmar","title":"Corundum (Sapphire) Crystal Cluster – Mogok, Myanmar","description":"\u003cp\u003eAn attractive \u003cstrong\u003ecorundum (variety sapphire)\u003c\/strong\u003e, from the renowned \u003cstrong\u003eMogok district of Myanmar\u003c\/strong\u003e. The specimen features numerous naturally formed sapphire crystals clustered together, displaying muted \u003cstrong\u003egreenish-grey to blue-grey tones\u003c\/strong\u003e with areas of translucency and a pleasing vitreous luster.\u003c\/p\u003e\n\u003cp\u003eRather than a single isolated crystal, this specimen offers an interesting three-dimensional arrangement of corundum crystals of varying sizes, giving it considerable texture and visual complexity from different viewing angles.\u003c\/p\u003e\n\u003cp\u003eMogok is one of the world’s legendary gemstone localities, and a natural sapphire crystal cluster such as this offers collectors the opportunity to own sapphire in its geological form rather than as a cut gemstone—combining an iconic gem species with an equally iconic locality.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eMinerals:\u003c\/strong\u003e Corundum (variety Sapphire)\u003cbr\u003e\u003cstrong\u003eLocality:\u003c\/strong\u003e Mogok, Myanmar\u003cbr\u003e\u003cstrong\u003eCrystal System:\u003c\/strong\u003e Trigonal\u003cbr\u003e\u003cstrong\u003eMineral Class:\u003c\/strong\u003e Oxide\u003cbr\u003e\u003cstrong\u003eProvenance:\u003c\/strong\u003e Ex Rob Belcher (The Aesthetics Underground)\u003cbr\u003e\u003cstrong\u003eDimensions:\u003c\/strong\u003e 6 x 4 x 3.5 cm\u003c\/p\u003e","brand":"Rocky Mountain Minerals and Fossils","offers":[{"title":"Default Title","offer_id":52839739687194,"sku":null,"price":120.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0679\/6011\/1386\/files\/Corundum-Sapphire-Crystal-Cluster-Mogok-Myanmar-02.jpg?v=1788986719"},{"product_id":"yellow-fluorite-xinyang-prefecture-henan-province-china","title":"Yellow Fluorite – Xinyang Prefecture, Henan Province, China","description":"\u003cp\u003eA striking \u003cstrong\u003eyellow fluorite \u003c\/strong\u003efrom \u003cstrong\u003eXinyang Prefecture, Henan Province, China\u003c\/strong\u003e, featuring an unusual sculptural formation of rounded, intergrown fluorite masses. The specimen displays rich \u003cstrong\u003ehoney-yellow to golden-yellow coloration\u003c\/strong\u003e, with translucent areas that become especially vibrant under direct illumination.\u003c\/p\u003e\n\u003cp\u003eThe softly rounded crystal forms create an almost botryoidal appearance and give the specimen substantial depth and visual texture. Its combination of warm color, translucency, and unusual morphology makes it particularly attractive from multiple viewing angles.\u003c\/p\u003e\n\u003cp\u003eFor the collector, this is the kind of fluorite that stands apart from the familiar cubic examples—the warm golden color and distinctive rounded formation make it an eye-catching display piece as well as an interesting representation of fluorite’s remarkable variety of crystal habits.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eMinerals:\u003c\/strong\u003e Fluorite\u003cbr\u003e\u003cstrong\u003eLocality:\u003c\/strong\u003e Xinyang Prefecture, Henan Province, China\u003cbr\u003e\u003cstrong\u003eCrystal System:\u003c\/strong\u003e Cubic (Isometric)\u003cbr\u003e\u003cstrong\u003eMineral Class:\u003c\/strong\u003e Halide\u003cbr\u003e\u003cstrong\u003eProvenance:\u003c\/strong\u003e Ex Rob Belcher (The Aesthetics Underground)\u003cbr\u003e\u003cstrong\u003eDimensions:\u003c\/strong\u003e 12 x 8 cm\u003c\/p\u003e","brand":"Rocky Mountain Minerals and Fossils","offers":[{"title":"Default Title","offer_id":52839808991514,"sku":null,"price":160.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0679\/6011\/1386\/files\/Yellow-Fluorite-Xinyang-Henan-China-01.jpg?v=1788987708"},{"product_id":"hubnerite-on-quartz-pasto-bueno-pallasca-province-ancash-peru","title":"Hübnerite on Quartz – Pasto Bueno, Pallasca Province, Ancash, Peru","description":"\u003cp\u003eA dramatic \u003cstrong\u003ehübnerite on quartz \u003c\/strong\u003especimen from the renowned \u003cstrong\u003ePasto Bueno locality, Pallasca Province, Ancash, Peru\u003c\/strong\u003e. Dark, elongated blades of hübnerite extend prominently through a cluster of contrasting clear-to-milky quartz crystals, creating an exceptionally strong visual composition.\u003c\/p\u003e\n\u003cp\u003eThe hübnerite shows a dark brown-black appearance with \u003cstrong\u003esubmetallic to adamantine luster\u003c\/strong\u003e and pronounced longitudinal striations. Surrounding quartz crystals range from smaller transparent points to substantial, well-developed crystals that give the specimen impressive height and dimensionality.\u003c\/p\u003e\n\u003cp\u003eThe contrast is what makes this piece particularly appealing: dark, sharply defined hübnerite blades framed by bright quartz create the kind of dramatic mineral association that immediately draws the eye in a display cabinet. Combined with its classic Peruvian locality, it makes an attractive example for collectors of tungsten minerals, quartz associations, or South American minerals.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eMinerals:\u003c\/strong\u003e Hübnerite, Quartz\u003cbr\u003e\u003cstrong\u003eLocality:\u003c\/strong\u003e Pasto Bueno, Pallasca Province, Ancash, Peru\u003cbr\u003e\u003cstrong\u003eCrystal System:\u003c\/strong\u003e Monoclinic (Hübnerite); Trigonal (Quartz)\u003cbr\u003e\u003cstrong\u003eMineral Class:\u003c\/strong\u003e Oxide (Hübnerite); Silicate (Quartz)\u003cbr\u003e\u003cstrong\u003eProvenance:\u003c\/strong\u003e Ex Rob Belcher (The Aesthetics Underground)\u003cbr\u003e\u003cstrong\u003eDimensions:\u003c\/strong\u003e 6.5 x 5.5 x 7 cm\u003c\/p\u003e","brand":"Rocky Mountain Minerals and Fossils","offers":[{"title":"Default Title","offer_id":52839885046042,"sku":null,"price":95.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0679\/6011\/1386\/files\/Hubnerite-on-Quartz-Pasto-Bueno-Peru-02.jpg?v=1788988889"},{"product_id":"ruby-in-marble-dattaw-mine-mogok-myanmar","title":"Ruby in Marble – Dattaw Mine, Mogok, Myanmar","description":"\u003cp\u003eA striking \u003cstrong\u003eruby in marble specimen\u003c\/strong\u003e from the \u003cstrong\u003eDattaw Mine \u003c\/strong\u003ein the\u003cstrong\u003e legendary Mogok district of Myanmar\u003c\/strong\u003e, featuring a prominent elongated ruby crystal dramatically exposed against a contrasting white marble matrix.\u003c\/p\u003e\n\u003cp\u003eThe ruby displays an attractive \u003cstrong\u003epinkish-red to purplish-red coloration\u003c\/strong\u003e with a vitreous to adamantine luster on portions of the crystal surface. This shade flirts with the boundary between ruby and sapphire but I am choosing ruby in this case. Its elongated form runs boldly across the pale matrix, making the ruby immediately visible and giving the specimen a particularly strong natural composition.\u003c\/p\u003e\n\u003cp\u003eMogok is one of the world's most celebrated sources of ruby, and specimens that preserve the ruby in its original marble host rock provide a fascinating mineralogical context for this famous gemstone. For a collector, this piece offers more than the appeal of ruby alone—it presents the gemstone as it occurs in nature, with dramatic color contrast and an instantly recognizable display presence.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eMinerals:\u003c\/strong\u003e Corundum (Ruby), Marble\u003cbr\u003e\u003cstrong\u003eLocality:\u003c\/strong\u003e Dattaw Mine, Mogok, Myanmar\u003cbr\u003e\u003cstrong\u003eCrystal System:\u003c\/strong\u003e Trigonal\u003cbr\u003e\u003cstrong\u003eMineral Class:\u003c\/strong\u003e Oxide\u003cbr\u003e\u003cstrong\u003eProvenance:\u003c\/strong\u003e Ex Rob Belcher (The Aesthetics Underground)\u003cbr\u003e\u003cstrong\u003eDimensions:\u003c\/strong\u003e 6.5 x 5 cm\u003c\/p\u003e","brand":"Rocky Mountain Minerals and Fossils","offers":[{"title":"Default Title","offer_id":52839893074202,"sku":null,"price":450.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0679\/6011\/1386\/files\/Ruby-in-Marble-Dattaw-Mine-Mogok-Myanmar-01.jpg?v=1788989149"},{"product_id":"purple-fluorite-berbes-asturias-spain","title":"Purple Fluorite – Berbes, Asturias, Spain","description":"\u003cp\u003eA beautiful \u003cstrong\u003epurple fluorite \u003c\/strong\u003especimen from \u003cstrong\u003eBerbes, Asturias, Spain\u003c\/strong\u003e, a classic European locality renowned among collectors for its distinctive fluorite.\u003c\/p\u003e\n\u003cp\u003eThe specimen is richly covered with intergrown \u003cstrong\u003ecubic fluorite crystals\u003c\/strong\u003e displaying attractive pale lavender to deeper purple coloration. The numerous overlapping cubes create excellent depth and texture, while their transparent to translucent character and vitreous luster allow the crystal faces and internal features to catch the light beautifully.\u003c\/p\u003e\n\u003cp\u003eThe soft lavender-purple color combined with the unmistakable geometric cubic habit gives this specimen both strong visual appeal and classic mineralogical character.\u003c\/p\u003e\n\u003cp\u003eFor the collector, this specimen offers the combination that makes Berbes fluorite so desirable: beautiful purple coloration, abundant cubic crystallization, and a famous Spanish locality—an elegant display piece with instant recognition among fluorite enthusiasts.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eMinerals:\u003c\/strong\u003e Fluorite\u003cbr\u003e\u003cstrong\u003eLocality:\u003c\/strong\u003e Berbes, Asturias, Spain\u003cbr\u003e\u003cstrong\u003eCrystal System:\u003c\/strong\u003e Cubic (Isometric)\u003cbr\u003e\u003cstrong\u003eMineral Class:\u003c\/strong\u003e Halide\u003cbr\u003e\u003cstrong\u003eProvenance:\u003c\/strong\u003e Ex Rob Belcher (The Aesthetics Underground)\u003cbr\u003e\u003cstrong\u003eDimensions:\u003c\/strong\u003e 12 x 9.5 x 5 cm\u003c\/p\u003e","brand":"Rocky Mountain Minerals and Fossils","offers":[{"title":"Default Title","offer_id":52839910736154,"sku":null,"price":250.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0679\/6011\/1386\/files\/Purple-Fluorite-Berbes-Asturias-Spain-03._ecae6cf4-78fc-4eba-a752-4d59a8f11202.jpg?v=1788990050"},{"product_id":"golden-calcite-crystal-elmwood-mine-tennessee-usa","title":"Golden Calcite Crystal – Elmwood Mine, Tennessee, USA","description":"\u003cp\u003eAn impressive \u003cstrong\u003edoubly-terminated calcite crystal \u003c\/strong\u003especimen from the famous \u003cstrong\u003eElmwood Mine \u003c\/strong\u003enear\u003cstrong\u003e Carthage, Tennessee\u003c\/strong\u003e - an American classic locality celebrated for producing exceptional calcite specimens.\u003c\/p\u003e\n\u003cp\u003eThis \u003cstrong\u003esubstantial crystal (8.3 kg!)\u003c\/strong\u003e displays a beautiful transparent to translucent \u003cstrong\u003egolden\u003c\/strong\u003e colouration, with broad, highly reflective crystal faces and striking geometric form. Subtle variations from nearly colourless through warm honey-gold along the gemmy crystal edges give the specimen considerable depth when viewed under changing light. The specimen is a complex, doubly-terminated crystal with only minor nicks on a couple of edges and none on the primary points. There appears to be a a contact where a smaller calcite crystal may have been removed (probably for aesthetic reasons) but is difficult to notice and does not distract. There is sphalerite attached to one side of the crystal.\u003c\/p\u003e\n\u003cp\u003eThis was one of Bill Rouslin's prized specimens in his large collection and was acquired decades ago while he was still living in the USA. The specimen is accompanied by a modest wood base and an older label from the Jeffrey Mining Co that was based in Memphis, TN.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eMinerals:\u003c\/strong\u003e Calcite\u003cbr\u003e\u003cstrong\u003eLocality:\u003c\/strong\u003e Elmwood Mine, Carthage, Tennessee, USA\u003cbr\u003e\u003cstrong\u003eCrystal System:\u003c\/strong\u003e Trigonal\u003cbr\u003e\u003cstrong\u003eMineral Class:\u003c\/strong\u003e Carbonate\u003cbr\u003e\u003cstrong\u003eProvenance:\u003c\/strong\u003e Ex Bill Rouslin; accompanied by Jeffrey Mining Co. label\u003cbr\u003e\u003cstrong\u003eDimensions:\u003c\/strong\u003e 27 × 15 × 9 cm\u003c\/p\u003e","brand":"Rocky Mountain Minerals and Fossils","offers":[{"title":"Default Title","offer_id":52931043229978,"sku":null,"price":2000.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0679\/6011\/1386\/files\/Golden-Calcite-Elmwood-Mine-Tennessee-USA-07.jpg?v=1790099303"},{"product_id":"calcite-with-marcasite-brushy-creek-mine-missouri-usa","title":"Dragon Scale Calcite with Marcasite – Brushy Creek Mine, Missouri, USA","description":"\u003cp\u003eA dramatic \u003cstrong\u003ecalcite with marcasite\u003c\/strong\u003e specimen from the \u003cstrong\u003eBrushy Creek Mine, Reynolds County, Missouri, USA\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eMany amazing calcites have been unearthed from the \u003cstrong\u003eViburnum Trend\u003c\/strong\u003e mining district but perhaps none are as impressive as the \u003cstrong\u003e\"dragon scale\" crystals\u003c\/strong\u003e. Like this specimen, the calcite has a distinctive smoke gray colouration of its scalenohedral crystals caused by several generations of growth. After the original calcites formed they were later coated with chalcopyrite, marcasite or other sulphides. Finally, another generation of calcite overgrew the sulphides, encasing them, and creating the dark colouration. Exposed sulphides tend to be sparkling and iridescent providing additional interest to the already-dramatic calcites.\u003c\/p\u003e\n\u003cp\u003eThis is a large specimen, weighing just shy of\u003cstrong\u003e 3 kg\u003c\/strong\u003e! It is actually the smaller, but more aesthetic, of the two \"dragon scales\" I acquired from Bill Rouslin's immense collection. It is composed of several scalenohedral calcite crystals tightly packed and partially intergrown creating a wonderful natural sculpture. All of the crystal edges and terminations are complete with no significant damage. The piece appears to be a \"floater\" with no obvious contact but one cleaved corner (not affecting any crystals). Note the colour-zoning within the calcites showing yellowish-gray, translucent edges giving way to darker gray interiors with a waxy overall luster.\u003c\/p\u003e\n\u003cp\u003eMany of these were mined by professional specimen-collectors Mike New and Joe Kielbaso in the late 1980s and are we ever glad they did! For calcites, \"dragon scales\" are amongst the most collectible and difficult to obtain in this size and quality.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eMinerals:\u003c\/strong\u003e Calcite, Marcasite\u003cbr\u003e\u003cstrong\u003eLocality:\u003c\/strong\u003e Brushy Creek Mine, Reynolds County, Missouri, USA\u003cbr\u003e\u003cstrong\u003eCrystal System:\u003c\/strong\u003e Calcite – Trigonal; Marcasite – Orthorhombic\u003cbr\u003e\u003cstrong\u003eMineral Class:\u003c\/strong\u003e Calcite – Carbonate; Marcasite – Sulfide\u003cbr\u003e\u003cstrong\u003eProvenance:\u003c\/strong\u003e Ex Bill Rouslin #453\u003cbr\u003e\u003cstrong\u003eDimensions:\u003c\/strong\u003e 17 × 12 × 14 cm\u003c\/p\u003e","brand":"Rocky Mountain Minerals and Fossils","offers":[{"title":"Default Title","offer_id":52931112403226,"sku":null,"price":3000.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0679\/6011\/1386\/files\/CalcitewithMarcasite_BrushyCreekMine_Missouri_USA6.jpg?v=1790099818"},{"product_id":"quartz-crystal-cluster-jackpot-mine-arkansas-usa-01","title":"Quartz Crystal Cluster – Norman, Arkansas, USA","description":"\u003cp\u003eAn impressive \u003cstrong\u003equartz crystal cluster\u003c\/strong\u003e from the \u003cstrong\u003enear Norman, Montgomery County, Arkansas, USA\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eThis substantial specimen is densely covered with dozens of clear to translucent quartz points, ranging from delicate needle-like crystals to several commanding larger crystals. Clusters like these are often called \"\u003cstrong\u003eJackpot Quartz\u003c\/strong\u003e\" when they are first unearthed. There are many sharp terminations with vitreous luster which catches and reflects light from virtually every angle. My wife thinks this specimen looks like a crystal forest! Admittedly it would be an adventure to shrink down and walk amongst the crystals in this forest! A fun specimen!\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eMinerals:\u003c\/strong\u003e Quartz\u003cbr\u003e\u003cstrong\u003eLocality:\u003c\/strong\u003e Norman area, Arkansas, USA\u003cbr\u003e\u003cstrong\u003eCrystal System:\u003c\/strong\u003e Trigonal\u003cbr\u003e\u003cstrong\u003eMineral Class:\u003c\/strong\u003e Silicate\u003cbr\u003e\u003cstrong\u003eProvenance:\u003c\/strong\u003e Ex Bill Rouslin #1095\u003cbr\u003e\u003cstrong\u003eDimensions:\u003c\/strong\u003e 20 × 9 × 11 cm\u003c\/p\u003e","brand":"Rocky Mountain Minerals and Fossils","offers":[{"title":"Default Title","offer_id":52931260678426,"sku":null,"price":300.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0679\/6011\/1386\/files\/Quartz-Crystal-Cluster-Jackpot-Mine-Arkansas-USA02.jpg?v=1790101929"},{"product_id":"calcite-with-marcasite-brushy-creek-mine-missouri-usa-1","title":"Dragon Scale Calcite with Marcasite – Brushy Creek Mine, Missouri, USA","description":"\u003cp\u003eA striking \u003cstrong\u003ecalcite with marcasite\u003c\/strong\u003e specimen from the \u003cstrong\u003eBrushy Creek Mine, Reynolds County, Missouri, USA\u003c\/strong\u003e, \u003c\/p\u003e\n\u003cp\u003eOne of two amazing \u003cstrong\u003e\"dragon scale\" calcites\u003c\/strong\u003e we have available. This is a large, cabinet-sized specimen weighing just over \u003cstrong\u003e7 kg\u003c\/strong\u003e from the famous late 1980s find from within the \u003cstrong\u003eViburnum Trend \u003c\/strong\u003edistrict. The waxy smoke gray is the final calcite crystal growth that encased sulphides like marcasite. The sulphides had grown over the first generation of calcite crystals. Where exposed, the sulphides have a terrific, metallic  iridescence and add a lot of sparkle to the giant calcites. I love the overall erratic, yet aesthetic cluster of scalenohedral-shaped calcites. There is only minor nicks on a few crystal tips although there are several crystal contacts where they naturally grew into an obstruction, such as a rock wall. The entire piece appears to be a \"floater\" with minor evidence of contact points (the base is photographed to show the lack of contacts but does not have any larger crystals).\u003c\/p\u003e\n\u003cp\u003eThe specimen has excellent visual depth, with large dominant calcite crystals surrounded by smaller secondary crystals and extensive marcasite coverage. Its combination of commanding crystal size, brilliant metallic contrast and documented older provenance makes it an especially distinctive Brushy Creek specimen and a strong centerpiece for a serious cabinet collection.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eMinerals:\u003c\/strong\u003e Calcite, Marcasite\u003cbr\u003e\u003cstrong\u003eLocality:\u003c\/strong\u003e Brushy Creek Mine, Reynolds County, Missouri, USA\u003cbr\u003e\u003cstrong\u003eCrystal System:\u003c\/strong\u003e Calcite – Trigonal; Marcasite – Orthorhombic\u003cbr\u003e\u003cstrong\u003eMineral Class:\u003c\/strong\u003e Carbonate; Sulfide\u003cbr\u003e\u003cstrong\u003eProvenance:\u003c\/strong\u003e Ex Bill Rouslin #454\u003cbr\u003e\u003cstrong\u003eDimensions:\u003c\/strong\u003e 24 × 23 × 9 cm\u003c\/p\u003e","brand":"Rocky Mountain Minerals and Fossils","offers":[{"title":"Default Title","offer_id":52931326574874,"sku":null,"price":3000.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0679\/6011\/1386\/files\/Calcite-Marcasite-Brushy-Creek-Mine-Missouri10.jpg?v=1790102756"},{"product_id":"fossilized-dinosaur-tooth","title":"Albertosaurus sarcophagus tooth 2.6\" (6.5cm), Drumheller, Alberta, Canada (disposition #001590)","description":"\u003cp\u003eCurrently, our nicest dinosaur tooth! This \u003cstrong\u003e2.6\" (6.5cm) long \u003cem\u003eAlbertosaurus sarcophagus\u003c\/em\u003e tooth\u003c\/strong\u003e is from the \u003cstrong\u003eDrumheller area of Alberta, Canada\u003c\/strong\u003e - one of the country’s best-known regions for Late Cretaceous dinosaur fossils.\u003c\/p\u003e\n\u003cp\u003eThis tooth has a strongly curved profile with dark brown enamel and lighter mineralized areas. Nice denticles (serrations) are present on both the anterior and posterior sides of the tooth. \u003cspan\u003e\u003c\/span\u003eThe specimen displays natural wear on the tip (\u003cstrong\u003efrom chewing through bone!\u003c\/strong\u003e) and has been repaired (reassembly of pieces) but not restored (no fillers). Dinosaur teeth are typically found disaggregated once exposed by erosion and usually require repair. \u003c\/p\u003e\n\u003cp\u003eThe specimen rests on Styrofoam base within a golden box accompanied by a label reading “Dinosaur Tooth, Drumheller, Alta”. These particular golden boxes were used by Green's Rock \u0026amp; Lapidary in Calgary back in the late 1960s-early 1970s to sell dinosaur teeth prior to the introduction of fossil legislation in Alberta. \u003c\/p\u003e\n\u003cp\u003eThe rocks exposed in this area are from the \u003cstrong\u003eHorseshoe Canyon Formation\u003c\/strong\u003e (believed to be \u003cstrong\u003e68 - 73.1 million years old\u003c\/strong\u003e). The only formally-recognized large theropod from this formation is \u003cstrong\u003e\u003cem\u003eAlbertosaurus sarcophagus\u003c\/em\u003e\u003c\/strong\u003e, which could grow up to 9 meters (30 feet) long, weighing just over 1 ton. There were over 50 serrated, sharp teeth in its giant 1 meter long skull! Pre-dating \u003cem\u003eTyrannosaurus rex\u003c\/em\u003e by several million years, it was smaller than \u003cem\u003eT. rex \u003c\/em\u003ebut the apex predator of its day.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003ca href=\"https:\/\/keithrocks.ca\/pages\/alberta-tyrannosaurs-species-formations-geological-ages\" title=\"More about Alberta theropod dinosaurs\"\u003eClick here to learn more about Alberta theropod dinosaurs\u003c\/a\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eLegal Status:\u003c\/strong\u003e This specimen is legally available for private ownership and resale under Alberta Disposition Certificate #001590. A copy of the disposition documentation will accompany the specimen. \u003ca href=\"https:\/\/keithrocks.ca\/pages\/alberta-fossils-disposition-ownership-legal-status\" title=\"Disposition, Ownership \u0026amp; Legal Status\"\u003e \u003cstrong\u003eLearn more about Alberta fossils and the disposition process.\u003c\/strong\u003e \u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eSpecies:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e \u003cem\u003eAlbertosaurus sarcop\u003c\/em\u003e\u003c\/span\u003e\u003cspan\u003e\u003cem\u003ehagus\u003c\/em\u003e\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003e\u003cspan\u003eAge:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Late Cretaceous (Campanian to early Maastrichtian or 68-73.1 million years ago)\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003e\u003cspan\u003eFormation:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Horseshoe Canyon Formation (Edmonton Group)\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003e\u003cspan\u003eLocality:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Red Deer River valley, Drumheller area, Alberta, Canada\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003e\u003cspan\u003eDimensions:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Tooth size: 6.5 × 2.5 cm\u003cbr\u003e\u003c\/span\u003e\u003cspan\u003e\u003cstrong\u003eProvenance: \u003c\/strong\u003eGreen's Rock \u0026amp; Lapidary (Calgary); Harvey Negrich\u003cstrong\u003e\u003cbr\u003eAlberta Disposition Certificate Number\u003c\/strong\u003e: 001590 (specimen #HN1027) issued July 7, 2026\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"Rocky Mountain Minerals and Fossils","offers":[{"title":"Default Title","offer_id":52932382621978,"sku":null,"price":1200.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0679\/6011\/1386\/files\/fossil-dinosaur-tooth-drumheller-alberta-canada-02.jpg?v=1790113066"},{"product_id":"fossilized-dinosaur-tooth-hn998","title":"Albertosaurus sarcophagus tooth 1.8\" (4.5 cm), Drumheller, Alberta, Canada (disposition #001590)","description":"\u003cp\u003eThis is a nice \u003cstrong\u003e1.8\"\u003c\/strong\u003e (\u003cstrong\u003e4.5cm) long \u003cem\u003eAlbertosaurus sarcophagus\u003c\/em\u003e tooth\u003c\/strong\u003e from the \u003cstrong\u003eDrumheller area of Alberta, Canada\u003c\/strong\u003e. The lighter colour of this tooth indicates it had eroded out of the rock and was exposed to the elements for a length of time. This process essentially \"bleaches\" the fossil to shades of tan and white. Teeth usually disintegrate quickly once exposed so this piece is well-mineralized to survive the severe temperature swings and precipitation of the Canadian winter. It is sharp with nicely-preserved serrations (denticles) on both the anterior and posterior cutting surfaces. I believe some reassembly has occurred with adhesives. I do like that part of the core is exposed on one side to give a peak into the interior of a tooth.\u003c\/p\u003e\n\u003cp\u003eThe specimen rests on Styrofoam base within a golden box accompanied by a label reading “Dinosaur Tooth, Drumheller, Alta”. These particular golden boxes were used by Green's Rock \u0026amp; Lapidary in Calgary back in the late 1960s-early 1970s to sell dinosaur teeth prior to the introduction of fossil legislation in Alberta. Harvey purchased this tooth from Green's during that time period.\u003c\/p\u003e\n\u003cp\u003eThe rocks exposed in this area are from the \u003cstrong\u003eHorseshoe Canyon Formation\u003c\/strong\u003e (believed to be\u003cstrong\u003e 68 - 73.1 million years old\u003c\/strong\u003e). The only formally-recognized large theropod from this formation is \u003cstrong\u003e\u003cem\u003eAlbertosaurus sarcophagus, \u003c\/em\u003e\u003c\/strong\u003ewhich was a very large meat-eating dinosaur that could grow up to 9 meters (30 feet) long, weighing just over 1 ton. There were over 50 serrated, sharp teeth in its giant 1 meter long skull! Pre-dating \u003cem\u003eTyrannosaurus rex\u003c\/em\u003e by several million years, it was smaller than \u003cem\u003eT. rex \u003c\/em\u003ebut the apex predator of its day.\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/keithrocks.ca\/pages\/alberta-tyrannosaurs-species-formations-geological-ages\" title=\"More about Alberta theropod dinosaurs\"\u003e\u003cstrong\u003eClick here to learn more about Alberta theropod dinosaurs\u003c\/strong\u003e\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eLegal Status:\u003c\/strong\u003e This specimen is legally available for private ownership and resale under Alberta Disposition Certificate #001590. A copy of the disposition documentation will accompany the specimen. \u003ca href=\"https:\/\/keithrocks.ca\/pages\/alberta-fossils-disposition-ownership-legal-status\" title=\"Disposition, Ownership \u0026amp; Legal Status\"\u003e \u003cstrong\u003eLearn more about Alberta fossils and the disposition process.\u003c\/strong\u003e \u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eSpecies:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e \u003cem\u003eAlbertosaurus sarcop\u003c\/em\u003e\u003c\/span\u003e\u003cspan\u003e\u003cem\u003ehagus\u003c\/em\u003e\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003e\u003cspan\u003eAge:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Late Cretaceous (Campanian to early Maastrichtian or 68-73.1 million years ago)\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003e\u003cspan\u003eFormation:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Horseshoe Canyon Formation (Edmonton Group)\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003e\u003cspan\u003eLocality:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Red Deer River valley, Drumheller area, Alberta, Canada\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003e\u003cspan\u003eDimensions:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Tooth size: 4.5 × 2.25 cm\u003cbr\u003e\u003c\/span\u003e\u003cspan\u003e\u003cstrong\u003eProvenance: \u003c\/strong\u003eGreen's Rock \u0026amp; Lapidary (Calgary); Harvey Negrich\u003cstrong\u003e\u003cbr\u003eAlberta Disposition Certificate Number\u003c\/strong\u003e: 001590 (specimen #HN998) issued July 7, 2026\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"Rocky Mountain Minerals and Fossils","offers":[{"title":"Default Title","offer_id":52932466475290,"sku":null,"price":500.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0679\/6011\/1386\/files\/fossilized-dinosaur-tooth-hn998-drumheller-alberta02.jpg?v=1790114049"},{"product_id":"fossilized-dinosaur-tooth-hn1000","title":"Albertosaurus sarcophagus tooth 2.5\" (6.25 cm), Drumheller, Alberta, Canada (disposition #001590)","description":"\u003cp\u003e\u003cstrong\u003eNow this tooth tells a story!\u003c\/strong\u003e This long \u003cstrong\u003e(2.5\" or 6.25cm) \u003cem\u003eAlbertosaurus sacrophagus\u003c\/em\u003e tooth\u003c\/strong\u003e may not be the prettiest but is a terrific example of natural wear. Note the \"slice\" from the tip to about halfway down one side. This indicates extreme tooth wear that broke right through the enamel. This was probably not pleasant and since dinosaurs did not have dentists they had to constantly shed worn teeth like this one. Due to their weaker nature, worn teeth are more susceptible to disintegration upon exposure from erosion. Finding all the pieces and reassembling them is a challenge, such as this case, which is missing a few bits. However, no restoration with fillers has occurred like most teeth found on the market. Note the nice denticles (serrations) on both sides of the tooth. This tooth is from the Red Deer River valley, near \u003cstrong\u003eDrumheller, Alberta\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eThe specimen rests on Styrofoam base within a golden box accompanied by a label reading “Dinosaur Tooth, Drumheller, Alta”. These particular golden boxes were used by Green's Rock \u0026amp; Lapidary in Calgary back in the late 1960s-early 1970s to sell dinosaur teeth prior to the introduction of fossil legislation in Alberta. Harvey purchased this tooth from Green's during that time period.\u003c\/p\u003e\n\u003cp\u003eThe rocks exposed in this area are from the \u003cstrong\u003eHorseshoe Canyon Formation\u003c\/strong\u003e (believed to be\u003cstrong\u003e 68 - 73.1 million years old\u003c\/strong\u003e). The only formally-recognized large theropod from this formation is \u003cstrong\u003e\u003cem\u003eAlbertosaurus sarcophagus, \u003c\/em\u003e\u003c\/strong\u003ewhich was a very large meat-eating dinosaur that could grow up to 9 meters (30 feet) long, weighing just over 1 ton. There were over 50 serrated, sharp teeth in its giant 1 meter long skull! Pre-dating \u003cem\u003eTyrannosaurus rex\u003c\/em\u003e by several million years, it was smaller than \u003cem\u003eT. rex \u003c\/em\u003ebut the apex predator of its day.\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/keithrocks.ca\/pages\/alberta-tyrannosaurs-species-formations-geological-ages\" title=\"More about Alberta theropod dinosaurs\"\u003e\u003cstrong\u003eMore about Alberta theropod dinosaurs\u003c\/strong\u003e\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eLegal Status:\u003c\/strong\u003e This specimen is legally available for private ownership and resale under Alberta Disposition Certificate #001590. A copy of the disposition documentation will accompany the specimen. \u003ca href=\"https:\/\/keithrocks.ca\/pages\/alberta-fossils-disposition-ownership-legal-status\" title=\"Disposition, Ownership \u0026amp; Legal Status\"\u003e \u003cstrong\u003eLearn more about Alberta fossils and the disposition process.\u003c\/strong\u003e \u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eSpecies:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e \u003cem\u003eAlbertosaurus sarcop\u003c\/em\u003e\u003c\/span\u003e\u003cspan\u003e\u003cem\u003ehagus\u003c\/em\u003e\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003e\u003cspan\u003eAge:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Late Cretaceous (Campanian to early Maastrichtian or 68-73.1 million years ago)\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003e\u003cspan\u003eFormation:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Horseshoe Canyon Formation (Edmonton Group)\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003e\u003cspan\u003eLocality:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Red Deer River valley, Drumheller area, Alberta, Canada\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003e\u003cspan\u003eDimensions:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Tooth size: 6.25 x 3 cm\u003cbr\u003e\u003c\/span\u003e\u003cspan\u003e\u003cstrong\u003eProvenance: \u003c\/strong\u003eGreen's Rock \u0026amp; Lapidary (Calgary); Harvey Negrich\u003cstrong\u003e\u003cbr\u003eAlberta Disposition Certificate Number\u003c\/strong\u003e: 001590 (specimen #HN1000) issued July 7, 2026\u003c\/span\u003e\u003c\/p\u003e","brand":"Rocky Mountain Minerals and Fossils","offers":[{"title":"Default Title","offer_id":52932500816154,"sku":null,"price":900.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0679\/6011\/1386\/files\/fossilized-dinosaur-tooth-drumheller-alberta02.jpg?v=1790114925"},{"product_id":"azurite","title":"Azurite “Suns” - Malbunka Copper Mine, Australia","description":"\u003cp\u003e\u003cspan\u003eA dramatic specimen of \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eAzurite “Suns”\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e from the \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eMalbunka Copper Mine near Areyonga, Northern Territory, Australia\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, with provenance from the \u003c\/span\u003eBill Rouslin collection (#1136).\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThis specimen features several exceptionally bold, intensely \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eroyal-blue azurite discs\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e developed across a contrasting pale matrix. Two large overlapping suns dominate one side of the specimen, while a separate, nearly circular sun occupies the opposite side. Their radiating crystalline structure is especially visible around the margins, creating the distinctive sun-like appearance for which Malbunka azurite is famous.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eAt 10 cm across, this is a substantial and visually impressive example of the locality's characteristic azurite habit. The unusually large, well-exposed suns, extraordinary blue-on-white contrast and documented Bill Rouslin provenance make this an especially desirable display specimen of one of Australia's most recognizable mineral occurrences.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eMinerals:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Azurite\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003e\u003cspan\u003eLocality:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Malbunka Copper Mine, Areyonga, Northern Territory, Australia\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003e\u003cspan\u003eCrystal System:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Monoclinic\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003e\u003cspan\u003eMineral Class:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Carbonate\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003e\u003cspan\u003eProvenance:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Ex Bill Rouslin #1136\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003e\u003cspan\u003eDimensions:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e 10 × 5 × 3 cm\u003c\/span\u003e\u003c\/p\u003e","brand":"Rocky Mountain Minerals and Fossils","offers":[{"title":"Default Title","offer_id":53162621763866,"sku":null,"price":230.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0679\/6011\/1386\/files\/Azurite-Suns-Malbunka-Copper-Mine-Australia01_a043a2f5-8722-40a8-97cf-13b0aaff3023.jpg?v=1792694542"},{"product_id":"topaz-katlang-mardan-district-pakistan","title":"Topaz - Katlang, Mardan District, Pakistan","description":"\u003cp\u003e\u003cspan\u003eA substantial \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003etopaz crystal\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e from \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eKatlang, Mardan District, Pakistan\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, displaying a pale champagne to near-colorless appearance with good translucency and bright vitreous luster. I like the internal fractures which add a lot of visual interest (and likely saved it from the gem cutter's saw!).\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eWeighing 44 g and standing 6.3 cm tall, this is an impressive single crystal for its size. Its substantial crystal form, water-clear clarity and well-known Pakistani locality make it a strong choice for collectors of topaz and gem-mineral specimens. Mounted on an acrylic stand.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eMinerals:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Topaz\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003e\u003cspan\u003eLocality:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Katlang, Mardan District, Pakistan\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003e\u003cspan\u003eCrystal System:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Orthorhombic\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003e\u003cspan\u003eMineral Class:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Silicate\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003e\u003cspan\u003eDimensions:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e 2.3 × 1.5 × 6.3 cm\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\u003c\/p\u003e","brand":"Rocky Mountain Minerals and Fossils","offers":[{"title":"Default Title","offer_id":53162857070874,"sku":null,"price":3900.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0679\/6011\/1386\/files\/Topaz-Katlang-Mardan-District-Pakistan02.jpg?v=1792696038"},{"product_id":"aquamarine-shigar-valley-gilgit-baltistan-pakistan","title":"Aquamarine (naturally etched) - Shigar Valley, Gilgit-Baltistan, Pakistan","description":"\u003cp\u003e\u003cspan\u003eAn attractive \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eaquamarine crystal\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e from the renowned \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eShigar Valley, Gilgit-Baltistan, Pakistan\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, a region well known among collectors for producing fine aquamarine and other pegmatite minerals.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThis single crystal displays a delicate \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003epale blue coloration\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e with good transparency and a bright vitreous luster. However it is the terrific, \u003cstrong\u003enatural etching\u003c\/strong\u003e that makes this crystal special. After this crystal grew the chemicals around it became caustic to aquamarine and began to dissolve it, but not completely. The result is a wonderful icy blue sculpture that tells a wonderful geologic story. Weighing 10.4 g, this piece is quite attractive in person and very special! Mounted on an acrylic base.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eMinerals:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Beryl (variety Aquamarine)\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003e\u003cspan\u003eLocality:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Shigar Valley, Gilgit-Baltistan, Pakistan\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003e\u003cspan\u003eCrystal System:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Hexagonal\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003e\u003cspan\u003eMineral Class:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Silicate\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003e\u003cspan\u003eDimensions:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e 1.7 × 1.7 × 2.7 cm\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003e\u003cspan\u003eWeight:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e 10.4 g\u003c\/span\u003e\u003c\/p\u003e","brand":"Rocky Mountain Minerals and Fossils","offers":[{"title":"Default Title","offer_id":53162874962202,"sku":null,"price":1000.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0679\/6011\/1386\/files\/Aquamarine-Shigar-Valley-Gilgit-Baltistan-Pakistan01.jpg?v=1792696515"},{"product_id":"aquamarine-skardu-gilgit-baltistan-pakistan","title":"Aquamarine - Skardu, Gilgit-Baltistan, Pakistan","description":"\u003cp\u003e\u003cspan\u003eAn impressive \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eaquamarine crystal\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e from \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eSkardu, Gilgit-Baltistan, Pakistan\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, a region internationally recognized for producing fine gem-quality pegmatite minerals.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThis elegant single crystal displays a delicate \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eicy blue coloration\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, excellent transparency through much of the crystal, and bright vitreous luster. Its tall, slender prismatic form is especially attractive, with well-developed crystal faces leading to a defined termination. A small amount of feldspar matrix remains attached near the base, adding natural context without distracting from the aquamarine itself.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eStanding 6.4 cm tall and weighing 22 g, the crystal has excellent display presence while retaining a refined, gemmy appearance. Its combination of clarity, graceful crystal form, attractive pale-blue color and highly collectible Skardu locality makes this a particularly desirable aquamarine specimen.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eMinerals:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Beryl (variety Aquamarine)\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003e\u003cspan\u003eLocality:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Skardu, Gilgit-Baltistan, Pakistan\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003e\u003cspan\u003eCrystal System:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Hexagonal\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003e\u003cspan\u003eMineral Class:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Silicate\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003e\u003cspan\u003eDimensions:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e 2.3 × 1.2 × 6.4 cm\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003e\u003cspan\u003eWeight:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e 22 g\u003c\/span\u003e\u003c\/p\u003e","brand":"Rocky Mountain Minerals and Fossils","offers":[{"title":"Default Title","offer_id":53162889543962,"sku":null,"price":2200.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0679\/6011\/1386\/files\/Aquamarine-Skardu-Gilgit-Baltistan-Pakistan01.jpg?v=1792696931"},{"product_id":"aquamarine-shigar-valley-gilgit-baltistan-pakistan-1","title":"Aquamarine - Shigar Valley, Gilgit-Baltistan, Pakistan","description":"\u003cp\u003e\u003cspan\u003eAn elegant \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eaquamarine crystal\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e from the renowned \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eShigar Valley, Gilgit-Baltistan, Pakistan\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, an important locality for fine pegmatite minerals.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThis single crystal displays an attractive \u003c\/span\u003epale icy-blue color, strong transparency and bright vitreous luster. Its slender hexagonal form is particularly clean and well defined, with smooth prism faces and a flat termination. I absolutely love the whitish inclusion which takes on the appearance of a cotton ball on a stick (my daughter sees a tree!). Absolutely wonderful!\u003c\/p\u003e\n\u003cp\u003eStanding 4.5 cm tall and weighing 14 g, this is a refined and highly displayable aquamarine. Its clarity, elegant crystal form and desirable Shigar Valley locality make it an appealing specimen for aquamarine collectors and collections of fine Pakistani minerals.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eMinerals:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Beryl (variety Aquamarine)\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003e\u003cspan\u003eLocality:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Shigar Valley, Gilgit-Baltistan, Pakistan\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003e\u003cspan\u003eCrystal System:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Hexagonal\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003e\u003cspan\u003eMineral Class:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Silicate\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003e\u003cspan\u003eDimensions:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e 1.5 × 1.2 × 4.5 cm\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003e\u003cspan\u003eWeight:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e 14 g\u003c\/span\u003e\u003c\/p\u003e","brand":"Rocky Mountain Minerals and Fossils","offers":[{"title":"Default Title","offer_id":53162913235226,"sku":null,"price":1400.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0679\/6011\/1386\/files\/Aquamarine-Shigar-Valley-Gilgit-Baltistan-Pakistan-01.jpg?v=1792697347"},{"product_id":"topaz-katlang-mardan-district-pakistan-1","title":"Topaz - Katlang, Mardan District, Pakistan","description":"\u003cp\u003e\u003cspan\u003eAn attractive \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003etopaz crystal\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e from \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eKatlang, Mardan District, Pakistan\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, displaying a delicate pale champagne to peach coloration with good transparency and bright vitreous luster.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThis compact, broad crystal has been naturally etched giving it a pleasing luster. The peach to pink overtones are very apparent in person and difficult to fully capture on camera. This is my favourite topaz in inventory (actually on consignment) and has been saved from the gem cutter's saw. Let's find it a proper home.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eWeighing 11 g, this is a pleasing example of topaz from an important Pakistani mineral locality. Its warm coloration, gemmy appearance and well-proportioned crystal form make it an appealing specimen for topaz and gem-mineral collectors. Mounted on an acrylic base.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eMinerals:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Topaz\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003e\u003cspan\u003eLocality:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Katlang, Mardan District, Pakistan\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003e\u003cspan\u003eCrystal System:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Orthorhombic\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003e\u003cspan\u003eMineral Class:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Silicate\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003e\u003cspan\u003eDimensions:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e 2.2 × 1.8 × 1.9 cm\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003e\u003cspan\u003eWeight:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e 11 g\u003c\/span\u003e\u003c\/p\u003e","brand":"Rocky Mountain Minerals and Fossils","offers":[{"title":"Default Title","offer_id":53162975461658,"sku":null,"price":1100.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0679\/6011\/1386\/files\/Topaz-Katlang-Mardan-District-Pakistan01_1e35a4b8-044a-4e70-b7b7-e0bde8a72038.jpg?v=1792697834"},{"product_id":"peridot-olivine-with-ludwigite-inclusions-sapat-gali-pakistan","title":"Peridot with Ludwigite Inclusions - Sapat Gali, Pakistan","description":"\u003cp\u003e\u003cspan\u003eAn attractive \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eperidot crystal with ludwigite inclusions\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e from \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eSapat Gali, Pakistan\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, one of the world's best localities for this mineral. Peridot is the gem variety of olivine (specifically forsterite) and ludwigite is a rare magnesium borate.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe specimen displays a vivid\u003cstrong\u003e \u003c\/strong\u003e\u003c\/span\u003eyellow-green to bright green color with good translucency and a bright vitreous luster. Within the peridot are naturally occurring dark-coloured ludwigite inclusions, adding mineralogical interest and distinguishing the specimen from more typical gem peridot crystals.\u003c\/p\u003e\n\u003cp\u003eWeighing 7 g, the crystal has strong color and an appealing natural form. The combination of vibrant peridot, unusual ludwigite inclusions and the collectible Sapat Gali locality makes this a particularly interesting specimen for collectors of gem minerals and included crystals.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eMinerals:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Peridot (Olivine), Ludwigite\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003e\u003cspan\u003eLocality:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Sapat Gali, Pakistan\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003e\u003cspan\u003eCrystal System:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Olivine – Orthorhombic; Ludwigite – Orthorhombic\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003e\u003cspan\u003eMineral Class:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Olivine – Silicate; Ludwigite – Borate\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003e\u003cspan\u003eDimensions:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e 1.8 x 1.9 x 2.5 cm\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003e\u003cspan\u003eWeight:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e 7 g\u003c\/span\u003e\u003c\/p\u003e","brand":"Rocky Mountain Minerals and Fossils","offers":[{"title":"Default Title","offer_id":53162997973274,"sku":null,"price":175.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0679\/6011\/1386\/files\/Peridot-Olivine-Ludwigite-Inclusions-Sapat-Gali-Pakistan03.jpg?v=1792698236"},{"product_id":"peridot-olivine-sapat-gali-kagan-valley-pakistan","title":"Peridot (Olivine) - Sapat Gali, Kagan Valley, Pakistan","description":"\u003cp\u003e\u003cspan\u003eAn attractive \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eperidot crystal\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e from \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eSapat Gali, Kagan Valley, Pakistan\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, a locality well known among collectors for producing fine crystallized peridot.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe crystal displays a vivid yellow-green color with good transparency and bright vitreous luster. Its well-defined natural crystal faces and compact form show the characteristic beauty of gem-quality olivine particularly well.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eDespite its small size, the specimen has excellent visual presence due to its\u003cstrong\u003e \u003c\/strong\u003e\u003c\/span\u003estrong color, transparency and distinct crystal form. These qualities, combined with the collectible Sapat Gali locality, make it an appealing addition to a gem mineral or worldwide mineral collection.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eMinerals:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Peridot (Olivine)\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003e\u003cspan\u003eLocality:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Sapat Gali, Kagan Valley, Pakistan\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003e\u003cspan\u003eCrystal System:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Orthorhombic\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003e\u003cspan\u003eMineral Class:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Silicate\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003e\u003cspan\u003eDimensions:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e 1.5 × 0.8 × 1.8 cm\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003e\u003cspan\u003eWeight:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e 3.7 g\u003c\/span\u003e\u003c\/p\u003e","brand":"Rocky Mountain Minerals and Fossils","offers":[{"title":"Default Title","offer_id":53163019272474,"sku":null,"price":90.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0679\/6011\/1386\/files\/Peridot-Olivine-Sapat-Gali-Kagan-Valley-Pakistan02.jpg?v=1792698468"},{"product_id":"topaz-katlang-mardan-district-pakistan-2","title":"Topaz - Katlang, Mardan District, Pakistan","description":"\u003cp\u003e\u003cspan\u003eAn attractive \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003etopaz crystal\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e from \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eKatlang, Mardan District, Pakistan\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, an area known for producing fine gem-quality topaz specimens.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe crystal displays a warm champagne to pale golden tone with good transparency and a bright vitreous luster. Its elongated form and broad, reflective crystal faces give the specimen a clean and elegant appearance, while internal features add visual interest when viewed under changing light.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eMounted upright on a clear acrylic base, this is a particularly appealing miniature. \u003c\/span\u003eThe combination of transparency, warm color and well-defined crystal form makes it an excellent example of Pakistani topaz for a gem mineral or worldwide mineral collection.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eMinerals:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Topaz\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003e\u003cspan\u003eLocality:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Katlang, Mardan District, Pakistan\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003e\u003cspan\u003eCrystal System:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Orthorhombic\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003e\u003cspan\u003eMineral Class:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Silicate\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003e\u003cspan\u003eDimensions:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e 1.4 × 1 × 1.4 cm\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003e\u003cspan\u003eWeight:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e 13 g\u003c\/span\u003e\u003c\/p\u003e","brand":"Rocky Mountain Minerals and Fossils","offers":[{"title":"Default Title","offer_id":53163210965274,"sku":null,"price":1300.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0679\/6011\/1386\/files\/Topaz-Katlang-Mardan-District-Pakistan01_995275b4-4e70-430a-8d7a-532b49a8414d.jpg?v=1792700119"},{"product_id":"placenticeras-meeki-ammonite-st-mary-river-alberta","title":"Placenticeras meeki Ammonite, Bearpaw Formation - St. Mary River, Alberta","description":"\u003cp data-pm-slice=\"1 1 []\"\u003e\u003cspan\u003eA substantial \u003c\/span\u003e\u003cstrong\u003e\u003cem\u003ePlacenticeras meeki\u003c\/em\u003e\u003c\/strong\u003e\u003cspan\u003e\u003cstrong\u003e ammonite\u003c\/strong\u003e from the St. Mary River near Magrath, Alberta. Measuring\u003cstrong\u003e 22 cm (!) at its greatest dimension\u003c\/strong\u003e, this specimen displays a broad coiled form with patches of vivid red and green iridescence across the preserved shell.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eIntricate, branching suture patterns are exposed where portions of the outer shell are missing, adding fine structural detail to the display. The contrast between iridescent shell and visible sutures offers several features to appreciate at close range, while the specimen’s size gives it a strong presence. Like the majority of these fossils, it has been coated with an automotive-grade lacquer to help protect it and bring out its special colours.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eObtained by Calgary geologist and collector George Sutherland from \u003cstrong\u003eKorite\/Canada Fossils\u003c\/strong\u003e in the 1990s, this ammonite is from the classic Alberta locality, has excellent collection provenance, and striking shell detail—an appealing addition to any Canadian fossil collection.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eSpecies:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e\u003cem\u003e\u003cspan\u003ePlacenticeras meeki\u003c\/span\u003e\u003c\/em\u003e\u003cbr\u003e\u003cstrong\u003e\u003cspan\u003eAge:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Late Cretaceous\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003e\u003cspan\u003eFormation:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Bearpaw Formation\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003e\u003cspan\u003eLocality:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e St. Mary River, near Magrath, Alberta, Canada\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003e\u003cspan\u003eDimensions:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e 22 × 20.5 × 5.5 cm\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003e\u003cspan\u003eProvenance:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Ex George Sutherland Collection (obtained by him from Korite\/Canada Fossils in the 1990s)\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"Rocky Mountain Minerals and Fossils","offers":[{"title":"Default Title","offer_id":53163235148058,"sku":null,"price":2900.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0679\/6011\/1386\/files\/placenticeras-meeki-ammonite-st-mary-river-alberta-01.jpg?v=1792700825"},{"product_id":"san-francisco-signed-numbered-print-1973-by-prosper-j-williams","title":"Signed Lithograph \"San Francisco\" (15\/500) - by Prosper J. Williams (ca 1973)","description":"\u003cp\u003e\u003cspan\u003eAn signed lithograph by famous Canadian mineral dealer Prosper J. Williams (1910-2001), depicting the San Francisco waterfront in 1973. Prosper, in addition to being one of the first to bring the mineral treasures of Tsumeb, Namibia to the collecting world, was also a talented pen and ink artist. This wonderful print was provided by his long-time partner, Sarah Topham, from her personal collection.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eHis fine linework captures the city skyline, Golden Gate Bridge, a sailboat, and birds above the famous bay in California. The expansive sky and lightly sketched water give the composition a quiet sense of space.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003ePrinted on textured paper, numbered 15 of 500 and signed in the lower-right margin, this artwork offers a personal glimpse into Williams’ artistic interests beyond his work as a mineral dealer. It makes a distinctive companion to specimens from his collection, connecting collectors with another aspect of the man behind their provenance. \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eArtist:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Prosper J. Williams\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003e\u003cspan\u003eSubject:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e San Francisco waterfront\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003e\u003cspan\u003eYear:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e 1973\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003e\u003cspan\u003eMedium:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Pen on paper lithograph\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003e\u003cspan\u003eInscriptions:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e “San Francisco, ’73” and “15\/500”\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003e\u003cspan\u003eSignature:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e P. J. Williams, lower-right margin\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003e\u003cspan\u003ePresentation:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Unframed\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003e\u003cspan\u003eProvenance:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Prosper J. Williams \u0026amp; Sarah Topham\u003c\/span\u003e\u003c\/p\u003e","brand":"Rocky Mountain Minerals and Fossils","offers":[{"title":"Default Title","offer_id":53163481268506,"sku":null,"price":75.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0679\/6011\/1386\/files\/prosper-j-williams-san-francisco-pen-drawing-1973-01.jpg?v=1792704934"},{"product_id":"anstruther-lake-ontario-signed-artwork-by-prosper-j-williams-1973","title":"Signed Lithograph \"Anstruther Lake, Ontario\" (11\/500) - by Prosper J. Williams (ca 1973)","description":"\u003cp data-pm-slice=\"1 1 []\"\u003e\u003cspan\u003eAn original lithograph by famous Canadian mineral dealer Prosper J. Williams. This beautiful pen and ink drawing depicts a wooded shoreline at Anstruther Lake, Ontario, where Prosper undoubtedly spent time. Detailed linework captures textured tree trunks, overhanging branches, fallen timber, and low vegetation, with the lake visible beyond. The composition balances an intricate foreground with the open space of the water.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThis lithograph, on textured paper, numbered 11 of 500 and signed in the lower-right margin, offers a personal connection to Williams’ creative interests beyond mineral dealing. Its Ontario landscape and association with his collection make it a distinctive companion piece for collectors who appreciate the people behind their specimens. This historic piece of Canadianna comes from his long time partner, Sarah Topham from her personal collection.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eArtist:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Prosper J. Williams\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003e\u003cspan\u003eSubject:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Anstruther Lake, Ontario, Canada\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003e\u003cspan\u003eYear:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e 1973\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003e\u003cspan\u003eMedium:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Pen on paper lithograph\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003e\u003cspan\u003eInscriptions:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e “Anstruther Lake, Ontario” and “11\/500”\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003e\u003cspan\u003eSignature:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e P. J. Williams, lower-right margin, with date ’73\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003e\u003cspan\u003ePresentation:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Unframed\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003e\u003cspan\u003eProvenance:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Prosper J. Williams and Sarah Topham\u003c\/span\u003e\u003c\/p\u003e","brand":"Rocky Mountain Minerals and Fossils","offers":[{"title":"Default Title","offer_id":53163494670618,"sku":null,"price":75.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0679\/6011\/1386\/files\/prosper-j-williams-anstruther-lake-pen-drawing-1973-01.jpg?v=1792705239"},{"product_id":"cambrian-trilobite-mckay-group-british-columbia","title":"Trilobite (Orygmaspis Mckellari) on matrix - Bull River, Cranbrook, British Columbia, Canada","description":"\u003cp\u003e\u003cspan\u003eThis specimen features a \u003cstrong\u003elarge (5 x 3.5 cm) trilobite, \u003cem\u003eOrygmaspis mckellari\u003c\/em\u003e\u003c\/strong\u003e, preserved on an elongated, fossil-bearing plate. The articulated body displays terrific genal spines and clearly defined thoracic segments. As with many trilobites from this locality, it has been preserved as a calcite wafer, which partially projects out from the side of the matrix slab. A smaller, partially exposed trilobite is visible farther along the plate.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe specimen comes from \u003cstrong\u003eUpper Cambrian\u003c\/strong\u003e sediments of the \u003cstrong\u003eMcKay Group\u003c\/strong\u003e in the Bull River Valley, east of Cranbrook and Fort Steele, \u003cstrong\u003eBritish Columbia, Canada\u003c\/strong\u003e. \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eBritish Columbia fossils are illegal to sell, except under special circumstances. I represent a team that has claims on several trilobite localities in BC that have been legally grandfathered into older legislation. \u003cstrong\u003eThis allows them to legally excavate, prepare and sell fossils from these particular claims, including this specimen\u003c\/strong\u003e. Mostly, they collect for themselves and only sell specimens to fund their collecting expenses. They simply love fossils and field collecting. Additionally, they have done a terrific job allowing the scientific community and local fossil clubs and school groups onto their claims for research, collecting and education. In my opinion, they are going above and beyond any legal requirements. As the Star Wars character The Mandalorian says, this is the way. \u003c\/p\u003e\n\u003cp\u003eFor those interested in learning more about the trilobites of the McKay Group I recommend the following scientific paper: \u003cstrong\u003eFurongian (Upper Cambrian) trilobites from the McKay Group, Bull River Valley, near Cranbrook, southeastern British Columbia, Canada (2016) by Brian D. E. Chatterton and Stacey Gibb in \u003cem\u003ePalaeontographica Canadiana\u003c\/em\u003e No 35\u003c\/strong\u003e. It is jointly published by the Canadian Society of Petroleum Geologists (now known as the Canadian Energy Geoscience Association) and the Geological Association of Canada\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eFossil:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Trilobite\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003e\u003cspan\u003eSpecies: \u003c\/span\u003e\u003c\/strong\u003e\u003cem\u003eOrygmaspis mckellari\u003c\/em\u003e\u003cbr\u003e\u003cstrong\u003e\u003cspan\u003eAge:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Upper Cambrian\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003e\u003cspan\u003eFormation:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e McKay Group\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003e\u003cspan\u003eLocality:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Bull River Valley, east of Cranbrook, British Columbia, Canada\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003e\u003cspan\u003eDimensions:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Trilobite: 5 × 3.5 cm; plate: 28 × 5 cm\u003c\/span\u003e\u003cbr\u003e\u003c\/p\u003e","brand":"Rocky Mountain Minerals and Fossils","offers":[{"title":"Default Title","offer_id":53303698161946,"sku":null,"price":200.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0679\/6011\/1386\/files\/cambrian-trilobite-mckay-group-bc-plate02.jpg?v=1793742636"},{"product_id":"orygmaspis-spinula-trilobite-part-counterpart","title":"Trilobite (Orygmaspis spinula), part \u0026 counterpart on matrix - Bull River, Cranbrook, British Columbia, Canada","description":"\u003cp\u003e\u003cspan\u003eThis specimen consists of two plates preserving the \u003cstrong\u003epart and counterpart\u003c\/strong\u003e of a trilobite identified as\u003cstrong\u003e \u003cem\u003eOrygmaspis spinula\u003c\/em\u003e\u003c\/strong\u003e. The trilobite measures approximately 2.5 × 2 cm, with its cephalon, segmented thorax and delicate lateral spines visible across the complementary surfaces. Together, the matching impressions make an engaging display of the trilobite’s detailed body structure.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe specimen comes from \u003cstrong\u003eUpper Cambrian\u003c\/strong\u003e sediments of the \u003cstrong\u003eMcKay Group\u003c\/strong\u003e in the Bull River Valley, east of Cranbrook and Fort Steele, \u003cstrong\u003eBritish Columbia, Canada\u003c\/strong\u003e. \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eBritish Columbia fossils are illegal to sell, except under special circumstances. I represent a team that has claims on several trilobite localities in BC that have been legally grandfathered into older legislation. \u003cstrong\u003eThis allows them to legally excavate, prepare and sell fossils from these particular claims, including this specimen\u003c\/strong\u003e. Mostly, they collect for themselves and only sell specimens to fund their collecting expenses. They simply love fossils and field collecting. Additionally, they have done a terrific job allowing the scientific community and local fossil clubs and school groups onto their claims for research, collecting and education. In my opinion, they are going above and beyond any legal requirements. As the Star Wars character The Mandalorian says, this is the way. \u003c\/p\u003e\n\u003cp\u003eFor those interested in learning more about the trilobites of the McKay Group I recommend the following scientific paper: \u003cstrong\u003eFurongian (Upper Cambrian) trilobites from the McKay Group, Bull River Valley, near Cranbrook, southeastern British Columbia, Canada (2016) by Brian D. E. Chatterton and Stacey Gibb in \u003cem\u003ePalaeontographica Canadiana\u003c\/em\u003e No 35\u003c\/strong\u003e. It is jointly published by the Canadian Society of Petroleum Geologists (now known as the Canadian Energy Geoscience Association) and the Geological Association of Canada\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eFossil:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Trilobite\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003e\u003cspan\u003eSpecies:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e \u003cem\u003eOrygmaspis spinula\u003c\/em\u003e\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003e\u003cspan\u003eAge:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Upper Cambrian\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003e\u003cspan\u003eFormation:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e McKay Group\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003e\u003cspan\u003eLocality:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Bull River valley, East of Cranbrook, British Columbia, Canada\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003e\u003cspan\u003eDimensions:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Trilobite: 2.5 × 2 cm; plate 1: 20 × 6 cm; plate 2: 12.5 × 5.5 cm\u003c\/span\u003e\u003cbr\u003e\u003c\/p\u003e","brand":"Rocky Mountain Minerals and Fossils","offers":[{"title":"Default Title","offer_id":53303767499034,"sku":null,"price":150.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0679\/6011\/1386\/files\/orygmaspis-spinula-trilobite-detail02.jpg?v=1793743080"},{"product_id":"orygmaspis-mckellari-trilobite-british-columbia","title":"Trilobite (Orygmaspis mckellari) on matrix - Bull River, Cranbrook, British Columbia, Canada","description":"\u003cp\u003e\u003cspan\u003eThis specimen features an \u003cstrong\u003e\u003cem\u003eOrygmaspis mckellari\u003c\/em\u003e\u003c\/strong\u003e trilobite measuring approximately 2.25 × 2 cm, preserved on a 16 × 12 cm rock plate. This specimen has excellent preserved detail including the iconic genal and thoracic spines which make these trilobites quite spectacular. The light yellow mineralization helps the trilobite stand out from the gray slate matrix. The specimen has been repaired - see the unfortunate break across the specimen and through the trilobite itself - and has chisels marks too. Luckily the damage was minimal but a small portion of the calcite wafer (yellowish) was flaked off but reveals the fossil detail underneath. The specimen is a quite detailed and attractive Canadian trilobite.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe specimen comes from \u003cstrong\u003eUpper Cambrian\u003c\/strong\u003e sediments of the \u003cstrong\u003eMcKay Group\u003c\/strong\u003e in the Bull River Valley, east of Cranbrook and Fort Steele, \u003cstrong\u003eBritish Columbia, Canada\u003c\/strong\u003e. \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eBritish Columbia fossils are illegal to sell, except under special circumstances. I represent a team that has claims on several trilobite localities in BC that have been legally grandfathered into older legislation. \u003cstrong\u003eThis allows them to legally excavate, prepare and sell fossils from these particular claims, including this specimen\u003c\/strong\u003e. Mostly, they collect for themselves and only sell specimens to fund their collecting expenses. They simply love fossils and field collecting. Additionally, they have done a terrific job allowing the scientific community and local fossil clubs and school groups onto their claims for research, collecting and education. In my opinion, they are going above and beyond any legal requirements. As the Star Wars character The Mandalorian says, this is the way. \u003c\/p\u003e\n\u003cp\u003eFor those interested in learning more about the trilobites of the McKay Group I recommend the following scientific paper: \u003cstrong\u003eFurongian (Upper Cambrian) trilobites from the McKay Group, Bull River Valley, near Cranbrook, southeastern British Columbia, Canada (2016) by Brian D. E. Chatterton and Stacey Gibb in \u003cem\u003ePalaeontographica Canadiana\u003c\/em\u003e No 35\u003c\/strong\u003e. It is jointly published by the Canadian Society of Petroleum Geologists (now known as the Canadian Energy Geoscience Association) and the Geological Association of Canada\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eFossil:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Trilobite\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003e\u003cspan\u003eSpecies:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e \u003cem\u003eOrygmaspis mckellari\u003c\/em\u003e\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003e\u003cspan\u003eAge:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Upper Cambrian\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003e\u003cspan\u003eFormation:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e McKay Group\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003e\u003cspan\u003eLocality:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e British Columbia, Canada\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003e\u003cspan\u003eDimensions:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Trilobite: 2.25 × 2 cm; plate: 16 × 12 cm\u003c\/span\u003e\u003c\/p\u003e","brand":"Rocky Mountain Minerals and Fossils","offers":[{"title":"Default Title","offer_id":53303801774362,"sku":null,"price":200.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0679\/6011\/1386\/files\/orygmaspis-mckellari-trilobite-matrix-bc_04.jpg?v=1793743452"},{"product_id":"cambrian-trilobite-mckay-group-bc-10x9","title":"Undescribed (unnamed) Canadian Trilobite on matrix- Bull River, Cranbrook, British Columbia, Canada","description":"\u003cp\u003e\u003cspan\u003eFor a discerning trilobite or Canadian fossil collector, this is something special. Measuring approximately 2.1 × 1.5 cm, is \u003cstrong\u003ea trilobite yet to be scientifically described and named\u003c\/strong\u003e. The trilobite (unknown genus) is \u003c\/span\u003e\u003cspan\u003epreserved near the edge of a 10 × 9 cm slate plate. The fossil displays a rounded cephalon with pronounced genal spines, which continue continue down the thorax. The thoracic segments are closely spaced, with pale highlights outlining its structure against the dark matrix. The tail, or pygidium, is quite small. The specimen is mostly complete with only some missing ends of the thoracic ribs along one side near the tail.\u003c\/span\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThis is a \u003cstrong\u003erare opportunity\u003c\/strong\u003e to collect and curate a fossil not yet formally described by paleontologists. Of course this trilobite needs a special home where its provenance will be properly preserved.\u003c\/span\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe specimen comes from \u003cstrong\u003eUpper Cambrian\u003c\/strong\u003e sediments of the \u003cstrong\u003eMcKay Group\u003c\/strong\u003e in the Bull River Valley, east of Cranbrook and Fort Steele, \u003cstrong\u003eBritish Columbia, Canada\u003c\/strong\u003e. \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eBritish Columbia fossils are illegal to sell, except under special circumstances. I represent a team that has claims on several trilobite localities in BC that have been legally grandfathered into older legislation. This allows them to legally excavate, prepare and sell fossils from these particular claims, including this specimen. \u003ca href=\"https:\/\/keithrocks.ca\/pages\/british-columbia-fossils-legal-status-legacy-claims-responsible-collecting\" title=\"British Columbia Fossils: Legal Status, Legacy Claims \u0026amp; Responsible Collecting\"\u003e\u003cstrong\u003e\u003cspan\u003eLearn more about British Columbia fossils and their legal status.\u003c\/span\u003e\u003c\/strong\u003e\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003eFor those interested in learning more about the trilobites of the McKay Group I recommend the following scientific paper: \u003cstrong\u003eFurongian (Upper Cambrian) trilobites from the McKay Group, Bull River Valley, near Cranbrook, southeastern British Columbia, Canada (2016) by Brian D. E. Chatterton and Stacey Gibb in \u003cem\u003ePalaeontographica Canadiana\u003c\/em\u003e No 35\u003c\/strong\u003e. It is jointly published by the Canadian Society of Petroleum Geologists (now known as the Canadian Energy Geoscience Association) and the Geological Association of Canada\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eFossil:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Trilobite\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003e\u003cspan\u003eSpecies: \u003c\/span\u003e\u003c\/strong\u003eUndescribed \u0026amp; Unnamed species (unknown genus)\u003cbr\u003e\u003cstrong\u003e\u003cspan\u003eAge:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Upper Cambrian\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003e\u003cspan\u003eFormation:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e McKay Group\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003e\u003cspan\u003eLocality:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Bull River valley, East of Cranbrook, British Columbia, Canada\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003e\u003cspan\u003eDimensions:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Trilobite: 2.1 × 1.5 cm; plate: 10 × 9 cm\u003c\/span\u003e\u003c\/p\u003e","brand":"Rocky Mountain Minerals and Fossils","offers":[{"title":"Default Title","offer_id":53303913677082,"sku":null,"price":350.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0679\/6011\/1386\/files\/cambrian-trilobite-mckay-group-detail.jpg?v=1793744849"}],"url":"https:\/\/keithrocks.ca\/collections\/new-acquisitions.oembed?page=4","provider":"Rocky Mountain Minerals and Fossils","version":"1.0","type":"link"}