{"title":"All Available Specimens","description":"\u003cp\u003e\u003cspan\u003eBrowse all mineral and fossil specimens currently available from Rocky Mountain Minerals and Fossils. Use the filters to explore specimens by mineral, country, crystal system, mineral class, availability and price.\u003c\/span\u003e\u003c\/p\u003e","products":[{"product_id":"fluorite-on-muscovite-mica-erongo-mountains-erongo-namibia","title":"Fluorite on Muscovite Mica, Erongo Mountains, Erongo, Namibia","description":"Pretty miniature of green and purple fluorite modified octahedra on micaeous (muscovite?) matrix. Fluorites exhibit colour zoning along crystal edges giving this piece some extra character. Minor black schorl sprinkled in too. Ex Mike Menzies collection #1641. Erongo Mountains, Erongo, Namibia. Dimensions 4.5 x 6 cm","brand":"Rocky Mountain Minerals and Fossils","offers":[{"title":"Default Title","offer_id":47200455852314,"sku":"","price":200.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0679\/6011\/1386\/files\/IMG_6799.jpg?v=1726592451"},{"product_id":"quartz-pseudomorph-after-microcline-with-schorl-erongo-namibia","title":"Quartz pseudomorph after Microcline with Schorl, Erongo, Namibia","description":"Another terrific Erongo specimen formerly of the Mike Menzies collection (#1664). Quartz has completely replaced but retained the crystal shape of microcline (a pseudomorph). The quartz is compromised of microcrystals which glisten even in low light. Radial sprays of tourmaline (variety schorl) partially adorn the specimen giving very nice colour contrast and added interest. Mineralogically fascinating piece. A small base of Styrofoam has been added to form a steady base; the Styrofoam has been coloured black in a few spots to help conceal it but is present in some of the photographs and could be easily removed if desired. From Erongo Mountains, Erongo Region, Namibia. Dimensions: 3 x 6.5 cm","brand":"Rocky Mountain Minerals and Fossils","offers":[{"title":"Default Title","offer_id":47227127136538,"sku":"","price":185.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0679\/6011\/1386\/files\/IMG_1547.jpg?v=1699557159"},{"product_id":"fluorite-on-microcline-erongo-namibia","title":"Fluorite on Microcline, Erongo, Namibia","description":"\u003cp\u003eBeautiful mint green fluorite crystals (modified cubes) on microcline. The entire piece appears to have been naturally-etched, meaning the chemical conditions during it's formation changed and slowly began dissolving it. Luckily that process stopped but gave this piece some extra interest by slightly rounding the fluorites and adding some sparkle to the microcline. There is a smattering of muscovite at the base of the fluorites too. From the Mike Menzies collection (# 1327). From the Erongo Mountains, Erongo Region, Namibia. Dimensions: 3 x 3 x 3.5 cm\u003c\/p\u003e","brand":"Rocky Mountain Minerals and Fossils","offers":[{"title":"Default Title","offer_id":47227172290842,"sku":"","price":195.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0679\/6011\/1386\/files\/IMG_1575.jpg?v=1720068915"},{"product_id":"weloganite-francon-quarry-montreal-quebec-canada-1","title":"Weloganite - Francon Quarry, Montreal, Quebec, Canada","description":"\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eWeloganite\u003c\/strong\u003e, a rare carbonate, is named after the founder and first director of the Geological Survey of Canada, Sir William Edmund Logan (W. E. Logan). This excellent specimen was collected by Mike Menzies at the type-locality in 1980. A small cavity in matrix reveals a classic weloganite crystal surrounded by lustrous and gemmy calcite crystals and a few tiny quartz crystals; including one growing on the weloganite. The locality is a carbonatite sill which is certainly a rare igneous rock type. The weloganite is 1 cm wide x 1.75 cm long and reacts nicely under UV light. \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eMineral:\u003c\/strong\u003e Weloganite\u003cbr\u003e\u003cstrong\u003eLocality:\u003c\/strong\u003e Francon Quarry, Montreal, Quebec, Canada\u003cbr\u003e\u003cstrong\u003eCrystal System:\u003c\/strong\u003e Triclinic\u003cbr\u003e\u003cstrong\u003eMineral Class:\u003c\/strong\u003e Carbonates\u003cbr\u003e\u003cstrong\u003eProvenance:\u003c\/strong\u003e Ex Mike Menzies Collection; collected by Mike Menzies in the type-locality in 1980\u003cbr\u003e\u003cstrong\u003eDimensions:\u003c\/strong\u003e 7.5 × 9 cm\u003c\/span\u003e\u003c\/p\u003e","brand":"Rocky Mountain Minerals and Fossils","offers":[{"title":"Default Title","offer_id":47245216153882,"sku":"","price":125.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0679\/6011\/1386\/files\/IMG_1843.jpg?v=1726592558"},{"product_id":"millerite-thompson-mine-moab-setting-lakes-manitoba","title":"Millerite - Thompson Mine, Moab-Setting Lakes, Manitoba","description":"\u003cp\u003eI have recently seen a few millerite specimens from this famous discovery, but nothing of this size! Nice showy, greenish-metallic tufts of this nickel species. I love the exposed cross-sections of the tufts along the edges of the specimen. This one is hard to let go! \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eMineral:\u003c\/strong\u003e Millerite\u003cbr\u003e\u003cstrong\u003eLocality:\u003c\/strong\u003e Thompson Mine, Moab-Setting Lakes, Manitoba, Canada\u003cbr\u003e\u003cstrong\u003eCrystal System:\u003c\/strong\u003e Trigonal\u003cbr\u003e\u003cstrong\u003eMineral Class:\u003c\/strong\u003e Sulfides\u003cbr\u003e\u003cstrong\u003eProvenance:\u003c\/strong\u003e Ex Allan Ingelson Collection\u003cbr\u003e\u003cstrong\u003eDimensions:\u003c\/strong\u003e 9.5 × 10 cm\u003c\/p\u003e\n\u003c!----\u003e","brand":"Rocky Mountain Minerals and Fossils","offers":[{"title":"Default Title","offer_id":49297364189466,"sku":"","price":395.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0679\/6011\/1386\/files\/IMG_8122.jpg?v=1720327057"},{"product_id":"calcite-on-cuprite-tsumeb-namibia","title":"Calcite on Cuprite - Tsumeb, Namibia","description":"\u003cp\u003e\u003cspan\u003eThis substantial specimen from the classic \u003cstrong\u003eTsumeb\u003c\/strong\u003e locality features a massive cuprite matrix richly covered with yellow to \u003cstrong\u003ecreamy-white rhombohedral calcite\u003c\/strong\u003e crystals. The calcite forms an attractive crystalline coating across the contrasting reddish-brown cuprite, giving the piece excellent colour and textural contrast.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe specimen comes from the collection of Sarah Topham and was formerly in the collection of Prosper J. Williams. The original Williams collection label is included.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eMineral:\u003c\/strong\u003e Calcite on Cuprite\u003cbr\u003e\u003cstrong\u003eLocality:\u003c\/strong\u003e Tsumeb, Namibia\u003cbr\u003e\u003cstrong\u003eCrystal System:\u003c\/strong\u003e Trigonal\u003cbr\u003e\u003cstrong\u003eMineral Class:\u003c\/strong\u003e Carbonates\u003cbr\u003e\u003cstrong\u003eProvenance:\u003c\/strong\u003e Ex Sarah Topham Collection; formerly Prosper J. Williams Collection\u003cbr\u003e\u003cstrong\u003eDimensions:\u003c\/strong\u003e 9 × 12 cm\u003c\/p\u003e\n\u003c!----\u003e","brand":"Rocky Mountain Minerals and Fossils","offers":[{"title":"Default Title","offer_id":49329407459610,"sku":"","price":50.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0679\/6011\/1386\/files\/IMG_8688.jpg?v=1720654828"},{"product_id":"kermesite-kolarsky-vrch-pezinok-slovakia","title":"Kermesite - Kolarsky Vrch, Pezinok, Slovakia","description":"\u003cp\u003eAlso known as \u003cstrong\u003e\"red antimony\", kermesite\u003c\/strong\u003e is a antimony oxysulphide which is certainly an uncommon combination of elements. Beautiful and rare aptly describe kermesite and our example does not disappoint. Recently acquired from a Calgary collection, this cabinet-sized specimen of ore shows several radial crystal groups of kermesite. The metallic ruby red colour of the acicular crystals is stunning. Other species are present but I have yet to identify them. This big specimen weighs almost 4 kg\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eMineral:\u003c\/strong\u003e Kermesite\u003cbr\u003e\u003cstrong\u003eLocality:\u003c\/strong\u003e Nova Alexander Adit, Kolarsky Vrch, Pezinok, Slovakia\u003cbr\u003e\u003cstrong\u003eCrystal System:\u003c\/strong\u003e Triclinic\u003cbr\u003e\u003cstrong\u003eMineral Class:\u003c\/strong\u003e Sulfides\u003cbr\u003e\u003cstrong\u003eProvenance:\u003c\/strong\u003e Ex Steve Potvin\u003cbr\u003e\u003cstrong\u003eDimensions:\u003c\/strong\u003e 10 × 14 × 15 cm\u003c\/p\u003e\n\u003c!----\u003e","brand":"Rocky Mountain Minerals and Fossils","offers":[{"title":"Default Title","offer_id":49481331736858,"sku":"","price":1500.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0679\/6011\/1386\/files\/IMG_9299.jpg?v=1723520522"},{"product_id":"dumortierite-dehesa-san-diego-county-california","title":"Dumortierite - Dehesa, San Diego County, California","description":"\u003cp\u003eHere is another rarity we recently came across: \u003cstrong\u003edumortierite\u003c\/strong\u003e! The chemical formula for this borosilicate probably gives mineralogy students nightmares, although it certainly is a pretty mineral. Our specimen showcases radiating, lavender crystal sprays up to 2 cm in diameter contrasting nicely against matrix. This is our finest specimen from a lot obtained from our friend, the late Mike Clark (and likely self-collected by him decades ago). \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eMineral:\u003c\/strong\u003e Dumortierite\u003cbr\u003e\u003cstrong\u003eLocality:\u003c\/strong\u003e Dehesa, San Diego County, California, USA\u003cbr\u003e\u003cstrong\u003eCrystal System:\u003c\/strong\u003e Orthorhombic\u003cbr\u003e\u003cstrong\u003eMineral Class:\u003c\/strong\u003e Silicates\u003cbr\u003e\u003cstrong\u003eProvenance:\u003c\/strong\u003e Ex Mike Clark Collection; likely self-collected by Mike Clark\u003cbr\u003e\u003cstrong\u003eDimensions:\u003c\/strong\u003e 6 × 7 × 10.5 cm\u003c\/p\u003e\n\u003c!----\u003e","brand":"Rocky Mountain Minerals and Fossils","offers":[{"title":"Default Title","offer_id":49491424706842,"sku":"","price":475.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0679\/6011\/1386\/files\/IMG_0408.jpg?v=1726516135"},{"product_id":"scapolite-handeni-tanzania","title":"Scapolite - Handeni, Tanzania","description":"\u003cp\u003e\u003cspan\u003eAn attractive yellow \u003cstrong\u003escapolite \u003c\/strong\u003ecrystal from \u003cstrong\u003eHandeni, Tanzania\u003c\/strong\u003e, displaying well-defined crystal form and strongly striated faces. The crystal shows evidence of natural etching, adding interesting texture and character to the surface. Its warm yellow colour ranges from pale, translucent areas to richer golden tones toward the termination. \u003cbr\u003e\u003c\/span\u003e\u003cspan\u003eA particularly appealing feature of this specimen is its strong fluorescence under ultraviolet light. A fine miniature example of scapolite from this well-known Tanzanian locality. Mounted in a perky box.\u003c\/span\u003e\u003c\/p\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cp\u003e\u003cstrong\u003eMineral:\u003c\/strong\u003e Scapolite\u003cbr\u003e\u003cstrong\u003eLocality:\u003c\/strong\u003e Handeni, Tanzania\u003cbr\u003e\u003cstrong\u003eCrystal System:\u003c\/strong\u003e Tetragonal\u003cbr\u003e\u003cstrong\u003eMineral Class:\u003c\/strong\u003e Silicates\u003cbr\u003e\u003cstrong\u003eDimensions:\u003c\/strong\u003e 1.5 × 2.5 cm\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Rocky Mountain Minerals and Fossils","offers":[{"title":"Default Title","offer_id":49550947385626,"sku":"","price":95.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0679\/6011\/1386\/files\/IMG_9514_7ff2847d-58bd-4120-9bdd-b5279c8a1229.jpg?v=1724518490"},{"product_id":"calcite-on-quartz-guilin-guanjxi-china","title":"Calcite on Quartz - Guilin, Guanjxi, China","description":"\u003cp\u003eMother Nature is truly an artist. Here we have two relatively common minerals but in a wonderful, eye-appealing combination. The \u003cstrong\u003ecalcite \u003c\/strong\u003ehas a pleasing coffee colour with \"nail-head\" crystal terminations, which contrasts nicely with the white drusy quartz; itself in botryoidal masses.  Ex Steve Potvin collection. From \u003cstrong\u003eGuilin, Guanjxi, China\u003c\/strong\u003e. \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eMineral:\u003c\/strong\u003e Calcite on Quartz\u003cbr\u003e\u003cstrong\u003eLocality:\u003c\/strong\u003e Guilin, Guangxi, China\u003cbr\u003e\u003cstrong\u003eCrystal System:\u003c\/strong\u003e Trigonal\u003cbr\u003e\u003cstrong\u003eMineral Class:\u003c\/strong\u003e Carbonates\u003cbr\u003e\u003cstrong\u003eProvenance:\u003c\/strong\u003e Ex Steve Potvin Collection\u003cbr\u003e\u003cstrong\u003eDimensions:\u003c\/strong\u003e 3 × 6 × 8.5 cm\u003c\/p\u003e","brand":"Rocky Mountain Minerals and Fossils","offers":[{"title":"Default Title","offer_id":49670833340698,"sku":"","price":95.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0679\/6011\/1386\/files\/IMG_0639.jpg?v=1726527315"},{"product_id":"silver-sarbay-deposit-rudny-kazakhstan","title":"Silver - Sarbay Deposit, Rudny, Kazakhstan","description":"\u003cp\u003eWhen I think of \u003cstrong\u003enative silver\u003c\/strong\u003e, I typically think of \u003cstrong\u003ethe great Canadian silver localities in Ontario\u003c\/strong\u003e and the Northwest Territories or those in Mexico, Germany or Norway, but Kazakhstan? The Sarbay (or Sarbai) Deposit in north Kazakhstan is a large skarn iron orebody but it contains a vast array of other minerals (and elements) including silver. Our specimen is richly-covered in small native silver wires curling into all sorts of shapes. Fascinating to examine under magnification but certainly large enough to enjoy with the naked eye. Ex Allan Ingelson collection. From Sarbay Deposit, Rudny, Kostanay Region, Kazakhstan. \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eMineral:\u003c\/strong\u003e Silver\u003cbr\u003e\u003cstrong\u003eLocality:\u003c\/strong\u003e Sarbay Deposit, Rudny, Kostanay Region, Kazakhstan\u003cbr\u003e\u003cstrong\u003eCrystal System:\u003c\/strong\u003e Cubic (Isometric)\u003cbr\u003e\u003cstrong\u003eMineral Class:\u003c\/strong\u003e Native Elements\u003cbr\u003e\u003cstrong\u003eProvenance:\u003c\/strong\u003e Ex Allan Ingelson Collection\u003cbr\u003e\u003cstrong\u003eDimensions:\u003c\/strong\u003e 3.5 × 4 × 5.5 cm\u003c\/p\u003e","brand":"Rocky Mountain Minerals and Fossils","offers":[{"title":"Default Title","offer_id":50079537725722,"sku":"","price":200.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0679\/6011\/1386\/files\/IMG_1448.jpg?v=1734660957"},{"product_id":"tarbuttite-kabwe-mine-broken-hill-zambia-type-locality","title":"Tarbuttite - Kabwe Mine, Broken Hill, Zambia (type locality)","description":"\u003cp\u003eHere we have a former specimen of famous Canadian mineral dealer Prosper Williams. This specimen shows classic sheaf-like \u003cstrong\u003etarbuttite crystals\u003c\/strong\u003e in an exposed vug within limonitic matrix with unidentified sulfides (?). Tarbuttite is a rare secondary zinc phosphate and was first identified from samples collected by Percy Tarbutt, a director of the Broken Hill Exploration Company, in 1907, from \u003cstrong\u003ethe Broken Hill (or Kabwe) Mine\u003c\/strong\u003e, in what was then called Northern Rhodesia (now part of Zambia). This specimen was collected in 1959 based on an accompanying French label. Strong yellow-orange fluorescence under long wave (365nm) ultraviolet light. Formerly in the collection of Sarah Topham, Prosper's partner, since the 1970s. From Kabwe (Broken Hills) Mine, Kabwe (Broken Hill), Zambia. \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eMineral:\u003c\/strong\u003e Tarbuttite\u003cbr\u003e\u003cstrong\u003eLocality:\u003c\/strong\u003e Kabwe Mine (Broken Hill Mine), Kabwe, Zambia — Type Locality\u003cbr\u003e\u003cstrong\u003eCrystal System:\u003c\/strong\u003e Triclinic\u003cbr\u003e\u003cstrong\u003eMineral Class:\u003c\/strong\u003e Phosphates\u003cbr\u003e\u003cstrong\u003eProvenance:\u003c\/strong\u003e Ex Prosper J. Williams Collection; Ex Sarah Topham Collection; collected in 1959\u003cbr\u003e\u003cstrong\u003eDimensions:\u003c\/strong\u003e 5.5 × 7 × 7.5 cm\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e","brand":"Rocky Mountain Minerals and Fossils","offers":[{"title":"Default Title","offer_id":50184251015450,"sku":"","price":150.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0679\/6011\/1386\/files\/IMG_3046_160caf24-449b-40ef-a598-991de94fed8b.jpg?v=1737239694"},{"product_id":"topaz-dassu-shigar-district-gilgit-baltistan-pakistan","title":"Topaz - Dassu, Shigar District, Gilgit-Baltistan, Pakistan","description":"\u003cp\u003e\u003cspan\u003eAn impressive, gemmy \u003cstrong\u003etopaz \u003c\/strong\u003ecrystal from the pegmatite fields of \u003cstrong\u003eDassu in the Braldu Valley, Pakistan\u003c\/strong\u003e. The crystal displays a beautiful warm sherry colour with excellent transparency and lustre, allowing light to pass through much of the specimen. Its sharply defined crystal faces and well-formed termination give it a particularly attractive and sculptural appearance.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThis is a substantial single crystal, measuring approximately 4.5 cm tall and weighing 186 grams. The base shows a contact where the crystal was naturally attached to and later removed from its pegmatitic matrix. A very showy example of Pakistani topaz with an appealing combination of size, colour, clarity and crystal form.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eMineral:\u003c\/strong\u003e Topaz\u003cbr\u003e\u003cstrong\u003eLocality:\u003c\/strong\u003e Dassu, Braldu Valley, Shigar District, Gilgit-Baltistan, Pakistan\u003cbr\u003e\u003cstrong\u003eCrystal System:\u003c\/strong\u003e Orthorhombic\u003cbr\u003e\u003cstrong\u003eMineral Class:\u003c\/strong\u003e Silicates\u003cbr\u003e\u003cstrong\u003eDimensions:\u003c\/strong\u003e 4 × 4.5 × 4.5 cm\u003c\/span\u003e\u003c\/p\u003e","brand":"Rocky Mountain Minerals and Fossils","offers":[{"title":"Default Title","offer_id":50285074579738,"sku":"","price":800.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0679\/6011\/1386\/files\/IMG_3895.jpg?v=1739845088"},{"product_id":"fluorite-on-quartz-goschener-alps-canton-uri-switzerland","title":"Rhodochrosite - American Tunnel, Colorado","description":"\u003cp\u003eAn attractive \u003cstrong\u003erhodochrosite\u003c\/strong\u003e specimen from the American Tunnel, a modern \u003cstrong\u003eclassic Colorado locality\u003c\/strong\u003e. Several stout, pinkish-red rhodochrosite crystals are accompanied by additional masses of rhodochrosite across a predominantly quartz matrix, creating excellent colour contrast.\u003c\/p\u003e\n\u003cp\u003eThe matrix also contains a mixture of sulphides, possibly including tetrahedrite, galena and chalcopyrite, along with a few slender quartz crystals. The combination of vivid rhodochrosite, bright sulphides and contrasting white quartz gives the specimen plenty of visual interest from multiple angles.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eMineral:\u003c\/strong\u003e Rhodochrosite\u003cbr\u003e\u003cstrong\u003eLocality:\u003c\/strong\u003e American Tunnel, Colorado, USA\u003cbr\u003e\u003cstrong\u003eCrystal System:\u003c\/strong\u003e Trigonal\u003cbr\u003e\u003cstrong\u003eMineral Class:\u003c\/strong\u003e Carbonates\u003cbr\u003e\u003cstrong\u003eProvenance:\u003c\/strong\u003e Ex Garry Kolodinsky Collection\u003cbr\u003e\u003cstrong\u003eDimensions:\u003c\/strong\u003e 4.5 × 8 cm\u003c\/p\u003e","brand":"Rocky Mountain Minerals and Fossils","offers":[{"title":"Default Title","offer_id":50517022540058,"sku":"","price":95.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0679\/6011\/1386\/files\/IMG_4709.jpg?v=1743971055"},{"product_id":"legrandite-ojuela-mine-mapimi-durango-mexico","title":"Legrandite - Ojuela Mine, Mapimi, Durango, Mexico","description":"\u003cp\u003eAn older \u003cstrong\u003elegrandite\u003c\/strong\u003e specimen from the famous \u003cstrong\u003eOjuela Mine at Mapimí, Mexico\u003c\/strong\u003e. One face of the matrix is richly covered with numerous sprays and radiating groups of well-formed legrandite crystals, creating an intricate crystalline surface that is particularly impressive under magnification.\u003c\/p\u003e\n\u003cp\u003eThe crystals display warm yellow to golden tones and occur in a variety of attractive groups across the matrix. While many of the individual crystals are small, the extensive coverage and abundance of crystallized areas make this a particularly interesting specimen to explore under magnification, with excellent micromount potential.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eMineral:\u003c\/strong\u003e Legrandite\u003cbr\u003e\u003cstrong\u003eLocality:\u003c\/strong\u003e Ojuela Mine, Mapimí, Durango, Mexico\u003cbr\u003e\u003cstrong\u003eCrystal System:\u003c\/strong\u003e Monoclinic\u003cbr\u003e\u003cstrong\u003eMineral Class:\u003c\/strong\u003e Phosphates\u003cbr\u003e\u003cstrong\u003eProvenance:\u003c\/strong\u003e Ex Garry Kolodinsky Collection, Victoria, British Columbia, Canada\u003cbr\u003e\u003cstrong\u003eDimensions:\u003c\/strong\u003e 6 × 6.5 cm\u003c\/p\u003e","brand":"Rocky Mountain Minerals and Fossils","offers":[{"title":"Default Title","offer_id":50517281702170,"sku":"","price":100.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0679\/6011\/1386\/files\/IMG_4750.jpg?v=1743981605"},{"product_id":"shattuckite-after-barite-shangulowe-mine-kambove-haut-katanga-democratic-republic-of-congo","title":"Shattuckite after Barite - Shangulowe Mine, Kambove, Haut-Katanga, Democratic Republic of the Congo","description":"\u003cp\u003eAn unusual and highly attractive shattuckite specimen from the famous Shangulowe Mine in the Democratic Republic of the Congo. Rather than occurring simply as massive material, the shattuckite has replaced earlier-formed barite while preserving its distinctive bladed crystal habit, creating an excellent example of mineral replacement.\u003cbr\u003eThe specimen is richly covered with vibrant blue shattuckite, with intricate bladed and radiating structures visible across the matrix. The combination of intense colour, unusual pseudomorphic form and substantial size makes this a particularly interesting example from a world-class copper-mineral locality. \u003cbr\u003eThe specimen is believed to have been collected prior to 1959, according to an earlier label that accompanies it. Ex Brenton Mah Collection and ex Robert Verdoot Collection. From the Shangulowe Mine, Kambove, Haut-Katanga, Democratic Republic of the Congo.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eMineral:\u003c\/strong\u003e Shattuckite after Barite\u003cbr\u003e\u003cstrong\u003eLocality:\u003c\/strong\u003e Shangulowe Mine, Kambove, Haut-Katanga, Democratic Republic of the Congo\u003cbr\u003e\u003cstrong\u003eCrystal System:\u003c\/strong\u003e Orthorhombic (Shattuckite)\u003cbr\u003e\u003cstrong\u003eMineral Class:\u003c\/strong\u003e Silicates\u003cbr\u003e\u003cstrong\u003eProvenance:\u003c\/strong\u003e Ex Brenton Mah Collection; Ex Robert Verdoot Collection; believed collected pre-1959\u003cbr\u003e\u003cstrong\u003eDimensions:\u003c\/strong\u003e 3 × 9 × 10 cm\u003c\/p\u003e","brand":"Rocky Mountain Minerals and Fossils","offers":[{"title":"Default Title","offer_id":51149405683994,"sku":null,"price":200.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0679\/6011\/1386\/files\/IMG_8322.jpg?v=1759421859"},{"product_id":"cylindrite-san-francisco-mine-poopo-oruro-bolivia","title":"Cylindrite - San Francisco Mine, Poopo, Oruro, Bolivia","description":"\u003cp\u003eCylindrite is a fascinating and uncommon tin-lead-antimony sulfosalt renowned for one of the most unusual crystal habits in the mineral kingdom. Its crystals form as extremely thin sheets that naturally curl and roll into tiny cylindrical tubes, giving the mineral its name and its distinctive appearance. \u003cbr\u003eThis specimen from the San Francisco Mine in Bolivia is richly covered with randomly oriented cylindrite crystals and tubes, producing an intricate metallic surface that is particularly rewarding under magnification. Its unusual crystal structure, strong metallic lustre and excellent coverage make this a fine representative example of a rare and highly distinctive mineral species.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eMineral:\u003c\/strong\u003e Cylindrite\u003cbr\u003e\u003cstrong\u003eLocality:\u003c\/strong\u003e San Francisco Mine, Poopó, Poopó Province, Oruro, Bolivia\u003cbr\u003e\u003cstrong\u003eCrystal System:\u003c\/strong\u003e Triclinic\u003cbr\u003e\u003cstrong\u003eMineral Class:\u003c\/strong\u003e Sulfides (Sulfosalts)\u003cbr\u003e\u003cstrong\u003eProvenance:\u003c\/strong\u003e Ex Allan Ingelson Collection\u003cbr\u003e\u003cstrong\u003eDimensions:\u003c\/strong\u003e 2.5 × 4 cm\u003c\/p\u003e","brand":"Rocky Mountain Minerals and Fossils","offers":[{"title":"Default Title","offer_id":51155234750746,"sku":null,"price":200.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0679\/6011\/1386\/files\/IMG_8464.jpg?v=1759544168"},{"product_id":"azurite-and-malachite-blue-jay-claim-san-juan-county-utah","title":"Azurite on Malachite - Blue Jay Claim, La Sal, San Juan County, Utah","description":"\u003cp\u003eA classic American copper-mineral specimen from the Blue Jay Claim in the La Sal Mining District of Utah, a locality well known for producing attractive azurite rosettes. This specimen features numerous deep-blue azurite crystals and small rosettes scattered across a richly mineralized matrix. \u003cbr\u003eThe vivid blue azurite contrasts beautifully with green malachite and areas of pale matrix. Particularly interesting is the fibrous habit of the malachite, which creates a finely textured surface and makes the specimen especially rewarding under magnification. With abundant mineralization and details to discover across the piece, it presents an attractive miniature mineral landscape from this classic Utah locality. \u003cbr\u003eThe specimen was likely collected in the 1990s or earlier. Ex Garry Kolodinsky Collection. From the Blue Jay Claim, La Sal, San Juan County, Utah, USA.\u003cbr\u003e\u003c\/p\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cp\u003e\u003cstrong\u003eMineral:\u003c\/strong\u003e Azurite on Malachite\u003cbr\u003e\u003cstrong\u003eLocality:\u003c\/strong\u003e Blue Jay Claim, La Sal, San Juan County, Utah, USA\u003cbr\u003e\u003cstrong\u003eCrystal System:\u003c\/strong\u003e Monoclinic\u003cbr\u003e\u003cstrong\u003eMineral Class:\u003c\/strong\u003e Carbonates\u003cbr\u003e\u003cstrong\u003eProvenance:\u003c\/strong\u003e Ex Garry Kolodinsky Collection; likely collected in the 1990s or earlier\u003cbr\u003e\u003cstrong\u003eDimensions:\u003c\/strong\u003e 3 × 7 × 9 cm\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Rocky Mountain Minerals and Fossils","offers":[{"title":"Default Title","offer_id":51155317293338,"sku":null,"price":85.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0679\/6011\/1386\/files\/IMG_8424.jpg?v=1759546077"},{"product_id":"azurite-in-digenite-tsumeb-namibia","title":"Azurite in Digenite - Tsumeb, Namibia","description":"\u003cp\u003eA distinctive Tsumeb specimen featuring sprays of azurite on massive digenite, accompanied by green malachite. Particularly interesting are areas where malachite has replaced earlier azurite while retaining its original crystal form, creating attractive pseudomorphs and adding another layer of mineralogical interest to the piece. \u003cbr\u003eThe combination of deep blue azurite, green malachite and dark metallic digenite produces excellent colour and textural contrast. This is a substantial hand-sized example of a classic Tsumeb mineral association that can be difficult to find in specimens of this size.\u003cbr\u003eEx Garry Kolodinsky Collection. Garry assembled a sizeable mineral collection over several decades and had a particular interest in azurite, including specimens from the world-famous Tsumeb Mine in Namibia.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eMineral:\u003c\/strong\u003e Azurite in Digenite with Malachite\u003cbr\u003e\u003cstrong\u003eLocality:\u003c\/strong\u003e Tsumeb Mine, Tsumeb, Oshikoto Region, Namibia\u003cbr\u003e\u003cstrong\u003eCrystal System:\u003c\/strong\u003e Monoclinic (Azurite)\u003cbr\u003e\u003cstrong\u003eMineral Class:\u003c\/strong\u003e Carbonates\u003cbr\u003e\u003cstrong\u003eProvenance:\u003c\/strong\u003e Ex Garry Kolodinsky Collection\u003cbr\u003e\u003cstrong\u003eDimensions:\u003c\/strong\u003e 5 × 5.5 × 8 cm\u003c\/p\u003e","brand":"Rocky Mountain Minerals and Fossils","offers":[{"title":"Default Title","offer_id":51155536806170,"sku":null,"price":125.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0679\/6011\/1386\/files\/IMG_8385.jpg?v=1759552732"},{"product_id":"manganite-caland-pit-atikokan-ontario","title":"Manganite - Caland Pit, Atikokan, Ontario, Canada","description":"\u003cp\u003e\u003cspan\u003eA classic Canadian manganite specimen from the historic Caland Pit near Atikokan, Ontario. One face is densely covered with a uniform drusy coating of lustrous black manganite crystals, creating an attractive sparkling surface, while the reverse displays contrasting botryoidal mineralization.\u003cbr\u003e\u003c\/span\u003e\u003cspan\u003eThe manganese deposits near Atikokan were strategically important during the Second World War, when ore from the district was added to iron ore shipped to the northern United States for wartime steel production. Mining ceased around 1979–1980, making well-crystallized manganite specimens from this locality increasingly historic Canadian mineral examples.\u003cbr\u003e\u003c\/span\u003e\u003cspan\u003eThis specimen comes from a group acquired from a former mine engineer who had stored the material since the mine's closure. Previously unoffered for sale, it combines attractive crystallization with an interesting connection to the mining history of the Atikokan district.\u003cbr\u003e\u003c\/span\u003e\u003cspan\u003eFrom the Caland Pit, Schwenger Township, Atikokan, Ontario, Canada.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eMineral:\u003c\/strong\u003e Manganite\u003cbr\u003e\u003cstrong\u003eLocality:\u003c\/strong\u003e Caland Pit, Schwenger Township, Atikokan, Ontario, Canada\u003cbr\u003e\u003cstrong\u003eCrystal System:\u003c\/strong\u003e Monoclinic\u003cbr\u003e\u003cstrong\u003eMineral Class:\u003c\/strong\u003e Oxides and Hydroxides\u003cbr\u003e\u003cstrong\u003eProvenance:\u003c\/strong\u003e Acquired from a former Caland Pit mine engineer; retained since the mine's closure\u003cbr\u003e\u003cstrong\u003eDimensions:\u003c\/strong\u003e 6 × 8 cm\u003c\/span\u003e\u003c\/p\u003e","brand":"Rocky Mountain Minerals and Fossils","offers":[{"title":"Default Title","offer_id":51465498788122,"sku":null,"price":185.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0679\/6011\/1386\/files\/IMG_3374.jpg?v=1766885659"},{"product_id":"manganite-caland-pit-atikokan-ontario-1","title":"Manganite - Caland Pit, Atikokan, Ontario, Canada","description":"\u003cp\u003eAlthough mining ceased in 1979-80, the manganese mines near Atikokan were a key strategic deposit for the Allies in WWII. Ore from Atikokan was added to the larger iron ore deposits located in the northern USA for steel production for the war effort. The mines also are well-known for their excellent manganite crystals. Perhaps not as robust and sexy as those from Germany, they are now Canadian classics. Rocky Mountain Minerals \u0026amp; Fossils recently acquired a selection of these from a former mine engineer that had stashed them in his garage since the mine's closure. These pieces have never before been offered for sale. This piece is covered with nice individual tufts of manganite on massive manganite. From: Caland Pit, Schwenger Township, Atikokan, Ontario. Dimensions: 3 cm x 5 cm x 6 cm\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eMineral:\u003c\/strong\u003e Manganite\u003cbr\u003e\u003cstrong\u003eLocality:\u003c\/strong\u003e Caland Pit, Schwenger Township, Atikokan, Ontario, Canada\u003cbr\u003e\u003cstrong\u003eCrystal System:\u003c\/strong\u003e Monoclinic\u003cbr\u003e\u003cstrong\u003eMineral Class:\u003c\/strong\u003e Oxides and Hydroxides\u003cbr\u003e\u003cstrong\u003eProvenance:\u003c\/strong\u003e Acquired from a former Caland Pit mine engineer; retained since the mine's closure\u003cbr\u003e\u003cstrong\u003eDimensions:\u003c\/strong\u003e 3 × 5 × 6 cm\u003c\/p\u003e","brand":"Rocky Mountain Minerals and Fossils","offers":[{"title":"Default Title","offer_id":51465500393754,"sku":null,"price":200.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0679\/6011\/1386\/files\/IMG_3349.jpg?v=1766892226"},{"product_id":"tourmaline-with-lepidolite-san-diego-kcsd-mine-california","title":"Tourmaline with Lepidolite - San Diego (KCSD) Mine, California, USA","description":"\u003cp\u003eAn attractive, gemmy multi-coloured tourmaline crystal from the San Diego (KCSD) Mine in California, accented by delicate pink lepidolite crystals along the sides. The tourmaline displays subtle colour variation through the crystal, with good translucency and an appealing natural form.\u003cbr\u003eA slight bend developed during crystal growth, providing an interesting record of changing conditions within the pegmatite as the crystal formed. The termination has also been naturally etched, creating additional texture and complexity while preserving the specimen's distinctive character.\u003cbr\u003eThe combination of colourful tourmaline and contrasting pink lepidolite makes this an appealing miniature from a classic California pegmatite locality. Mounted on an acrylic base.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eMineral:\u003c\/strong\u003e Tourmaline with Lepidolite\u003cbr\u003e\u003cstrong\u003eLocality:\u003c\/strong\u003e San Diego (KCSD) Mine, Gem Hill, Mesa Grande District, San Diego County, California, USA\u003cbr\u003e\u003cstrong\u003eCrystal System:\u003c\/strong\u003e Trigonal\u003cbr\u003e\u003cstrong\u003eMineral Class:\u003c\/strong\u003e Silicates\u003cbr\u003e\u003cstrong\u003eProvenance:\u003c\/strong\u003e Ex Brenton Mah Collection\u003cbr\u003e\u003cstrong\u003eDimensions:\u003c\/strong\u003e 0.75 × 3.5 cm\u003c\/p\u003e","brand":"Rocky Mountain Minerals and Fossils","offers":[{"title":"Default Title","offer_id":51466420027674,"sku":null,"price":400.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0679\/6011\/1386\/files\/IMG_3665.jpg?v=1766983461"},{"product_id":"apatite-with-pyrite-panasquiera-portugal","title":"Apatite with Pyrite - Panasquiera, Portugal","description":"\u003cp\u003eAn attractive association of greenish \u003cstrong\u003eapatite crystals with pyrite and quartz\u003c\/strong\u003e from the classic \u003cstrong\u003ePanasqueira mining district of Portugal\u003c\/strong\u003e. Numerous lustrous, hexagonal apatite crystals are scattered across the matrix, contrasting nicely with the bright metallic pyrite and pale quartz. \u003cbr\u003eUnder long-wave (365 nm) ultraviolet light, the apatite displays a strong yellow fluorescent response, adding another dimension to the specimen. A few apatite crystals show minor abrasion, but the piece retains excellent overall visual appeal and is a fine example of this classic Panasqueira mineral association.\u003cbr\u003eThis specimen has been in the Sarah Topham Collection for decades and was previously in the collection of Prosper J. Williams. It is accompanied by an original Prosper J. Williams label dating from approximately pre-1980.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eMineral:\u003c\/strong\u003e Apatite with Pyrite\u003cbr\u003e\u003cstrong\u003eLocality:\u003c\/strong\u003e Panasqueira, Portugal\u003cbr\u003e\u003cstrong\u003eCrystal System:\u003c\/strong\u003e Hexagonal\u003cbr\u003e\u003cstrong\u003eMineral Class:\u003c\/strong\u003e Phosphates\u003cbr\u003e\u003cstrong\u003eProvenance:\u003c\/strong\u003e Ex Prosper J. Williams Collection; Ex Sarah Topham Collection; accompanied by a Prosper J. Williams label (circa pre-1980)\u003cbr\u003e\u003cstrong\u003eDimensions:\u003c\/strong\u003e 6 × 9 cm\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e","brand":"Rocky Mountain Minerals and Fossils","offers":[{"title":"Default Title","offer_id":51466950312218,"sku":null,"price":250.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0679\/6011\/1386\/files\/IMG_7375.jpg?v=1766358985"},{"product_id":"malachite-katanga-democratic-republic-of-congo","title":"Malachite - Katanga, Democratic Republic of the Congo","description":"\u003cp\u003eAlthough there is no shortage of \u003cstrong\u003emalachite \u003c\/strong\u003especimens from \u003cstrong\u003eDR Congo\u003c\/strong\u003e, I find they are often dull and lack quality and character. This cabinet-sized specimen, though, is a true conversation piece. Not only is the malachite in an intriguing botryoidal form but shimmers even in low light. Flipping the piece over reveals a hollow interior yet the specimen is surprisingly heavy. If you are looking for a large malachite specimen, this one commands a presence. \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eMineral:\u003c\/strong\u003e Malachite\u003cbr\u003e\u003cstrong\u003eLocality:\u003c\/strong\u003e Katanga, Democratic Republic of the Congo\u003cbr\u003e\u003cstrong\u003eCrystal System:\u003c\/strong\u003e Monoclinic\u003cbr\u003e\u003cstrong\u003eMineral Class:\u003c\/strong\u003e Carbonates\u003cbr\u003e\u003cstrong\u003eProvenance:\u003c\/strong\u003e Ex George Sutherland Collection\u003cbr\u003e\u003cstrong\u003eDimensions:\u003c\/strong\u003e 9.5 × 10 × 16 cm\u003c\/p\u003e","brand":"Rocky Mountain Minerals and Fossils","offers":[{"title":"Default Title","offer_id":51467415027994,"sku":null,"price":175.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0679\/6011\/1386\/files\/IMG_7363.jpg?v=1766355711"},{"product_id":"malbunka-copper-mine-northern-territory-australia","title":"Azurite \"Sun\" - Malbunka Copper Mine, Northern Territory, Australia","description":"\u003cp\u003e\u003cstrong\u003eThe Malbunka Copper Mine in Australia\u003c\/strong\u003e is the only (known) place in the world where azurite forms these beautiful circular \"suns\". The colour contrast with the kaolinite (clay) rich matrix makes for stunning specimens like this one. I have secured a nice lot of these from another dealer that was hoarding some older stock. \u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe specimen features multiple intensely \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eroyal-blue azurite discs\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e distributed prominently across a contrasting pale matrix. Several of the formations occur as overlapping or interconnected “suns,” while others are isolated, allowing their rounded form and radiating crystal texture to be clearly appreciated. The exceptional blue coloration stands out dramatically against the nearly white host rock.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eAzurite suns are a highly distinctive locality-specific mineral habit, making specimens from Malbunka immediately recognizable to collectors. \u003c\/span\u003eWith numerous well-exposed suns, vivid color contrast and an attractive display arrangement across a substantial matrix, this specimen has excellent visual presence and strong appeal for both azurite specialists and collectors of classic Australian minerals.\u003c\/p\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cp\u003e\u003cstrong\u003eMineral:\u003c\/strong\u003e Azurite (“Sun”)\u003cbr\u003e\u003cstrong\u003eLocality:\u003c\/strong\u003e Malbunka Copper Mine, Areyonga, Gardiner Range, Northern Territory, Australia\u003cbr\u003e\u003cstrong\u003eCrystal System:\u003c\/strong\u003e Monoclinic\u003cbr\u003e\u003cstrong\u003eMineral Class:\u003c\/strong\u003e Carbonates\u003cbr\u003e\u003cstrong\u003eProvenance:\u003c\/strong\u003e Acquired from older dealer stock\u003cbr\u003e\u003cstrong\u003eDimensions:\u003c\/strong\u003e 12 x 8 x 4 cm\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Rocky Mountain Minerals and Fossils","offers":[{"title":"Default Title","offer_id":51500329926938,"sku":null,"price":250.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0679\/6011\/1386\/files\/Azurite-Suns-Malbunka-Copper-Mine-Australia01.jpg?v=1792693994"},{"product_id":"manganite-caland-pit-atikokan-ontario-3","title":"Manganite - Caland Pit, Atikokan, Ontario, Canada","description":"\u003cp\u003eAlthough mining ceased in 1979-80, \u003cstrong\u003ethe manganese mines near Atikokan\u003c\/strong\u003e were a key strategic deposit for the Allies in WWII. Ore from Atikokan was added to the larger iron ore deposits located in the northern USA for steel production for the war effort. The mines also are well-known for their excellent manganite crystals. Perhaps not as robust and sexy as those from Germany, they are now Canadian classics. Rocky Mountain Minerals \u0026amp; Fossils recently acquired a selection of these from a former mine engineer that had stashed them in his garage since the mine's closure. These pieces have never before been offered for sale. This sample shows evidence of veining and open cavities with displays of larger manganite crystals than our other offerings. The colour contrast with the pinkish matrix is striking. From: \u003cstrong\u003eCaland Pit, Schwenger Township, Atikokan, Ontario. \u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eMineral:\u003c\/strong\u003e Manganite\u003cbr\u003e\u003cstrong\u003eLocality:\u003c\/strong\u003e Caland Pit, Schwenger Township, Atikokan, Ontario, Canada\u003cbr\u003e\u003cstrong\u003eCrystal System:\u003c\/strong\u003e Monoclinic\u003cbr\u003e\u003cstrong\u003eMineral Class:\u003c\/strong\u003e Oxides and Hydroxides\u003cbr\u003e\u003cstrong\u003eProvenance:\u003c\/strong\u003e Acquired from a former Caland Pit mine engineer; retained since the mine's closure\u003cbr\u003e\u003cstrong\u003eDimensions:\u003c\/strong\u003e 4.5 × 7 cm\u003c\/p\u003e","brand":"Rocky Mountain Minerals and Fossils","offers":[{"title":"Default Title","offer_id":51500378521882,"sku":null,"price":125.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0679\/6011\/1386\/files\/IMG_3375_9adee0d3-156d-4607-92b8-4a979eed58b2.jpg?v=1766896010"},{"product_id":"pyrargyrite-san-genaro-mine-peru","title":"Pyrargyrite - San Genaro Mine, Peru","description":"\u003cp\u003eAn attractive cluster of \u003cstrong\u003epyrargyrite crystals\u003c\/strong\u003e from \u003cstrong\u003ethe San Genaro Mine in Peru\u003c\/strong\u003e. Historically known as “ruby silver,” pyrargyrite is a silver-bearing sulfosalt prized by collectors for its distinctive deep red to dark metallic appearance and high silver content. \u003cbr\u003eThis specimen features several well-developed pyrargyrite crystals grouped prominently on a contrasting pale matrix. Under strong illumination, the crystals reveal subtle reddish tones characteristic of the species, while their metallic lustre and sharp crystal form give the piece excellent visual interest.\u003cbr\u003e\u003cspan style=\"font-size: 0.875rem;\"\u003eA fine miniature example of this classic silver mineral from an important Peruvian mining locality. Mounted on an acrylic base.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eMineral:\u003c\/strong\u003e Pyrargyrite\u003cbr\u003e\u003cstrong\u003eLocality:\u003c\/strong\u003e San Genaro Mine, Castrovirreyna Province, Peru\u003cbr\u003e\u003cstrong\u003eCrystal System:\u003c\/strong\u003e Trigonal\u003cbr\u003e\u003cstrong\u003eMineral Class:\u003c\/strong\u003e Sulfides (Sulfosalts)\u003cbr\u003e\u003cstrong\u003eDimensions:\u003c\/strong\u003e 3 × 3 × 3 cm\u003c\/p\u003e","brand":"Rocky Mountain Minerals and Fossils","offers":[{"title":"Default Title","offer_id":51500417614106,"sku":null,"price":125.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0679\/6011\/1386\/files\/IMG_3129.jpg?v=1766898567"},{"product_id":"apatite-minas-gerais-brazil","title":"Apatite (Hydroxylapatite) - Sapo Mine, Minas Gerais, Brazil","description":"\u003cp\u003e\u003cstrong\u003eThe Sapo Mine in Brazil\u003c\/strong\u003e produced some of the nicest \u003cstrong\u003ehydroxylapatites \u003c\/strong\u003eever found in the early 2000s (notably 2004-2005). Hydroxylapatite, reclassified as apatite-(CaOH), is rarer than the more common fluorapatite. This nice plate displays green hydroxylapatites, with hexagonal bipyramidal habit, on microcline. A quick internet search will show this as a classic example of the famous finds at Sapo, with the Mindat.org example looking like it might actually fit into this piece! The crystals, additionally, have nice yellow fluorescence under long wave UV light. This is another specimen that has traveled with me to several shows and I am shocked I still have it, especially at this price! Ex Steve Potvin collection. From: Sapo Mine, Conselheiro Pena, Minas Gerais, Brazil. \u003c\/p\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cp\u003e\u003cstrong\u003eMineral:\u003c\/strong\u003e Apatite-(CaOH) (formerly Hydroxylapatite)\u003cbr\u003e\u003cstrong\u003eLocality:\u003c\/strong\u003e Sapo Mine, Conselheiro Pena, Minas Gerais, Brazil\u003cbr\u003e\u003cstrong\u003eCrystal System:\u003c\/strong\u003e Hexagonal\u003cbr\u003e\u003cstrong\u003eMineral Class:\u003c\/strong\u003e Phosphates\u003cbr\u003e\u003cstrong\u003eProvenance:\u003c\/strong\u003e Ex Steve Potvin Collection\u003cbr\u003e\u003cstrong\u003eDimensions:\u003c\/strong\u003e 5.5 × 8 cm\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Rocky Mountain Minerals and Fossils","offers":[{"title":"Default Title","offer_id":51500435407130,"sku":null,"price":100.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0679\/6011\/1386\/files\/IMG_3271.jpg?v=1766899178"},{"product_id":"beryllonite-with-tourmaline-elbaite-minas-gerais-brazil","title":"Beryllonite with Tourmaline (Elbaite) - Paprok, Nuristan, Afghanistan","description":"\u003cp\u003e\u003cstrong\u003eBeryllonite \u003c\/strong\u003eis a rare phosphate mineral from granitic \u003cstrong\u003epegmatites \u003c\/strong\u003eso its fitting this example hails from the famous \u003cstrong\u003ePaprok area of Afghanistan\u003c\/strong\u003e. Paprok is famous for its fabulous tourmaline-bearing pegmatites and our beryllonite has several attached gemmy elbaites showing their intimate relationship. This specimen was saved from an uncertain future and was discovered, along with other minerals, in a set of tool boxes at Value Village in Calgary! You never know where you might find a quality specimen! From: Paprok, Nuristan, Afghanistan. \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eMineral:\u003c\/strong\u003e Beryllonite with Tourmaline (Elbaite)\u003cbr\u003e\u003cstrong\u003eLocality:\u003c\/strong\u003e Paprok, Nuristan, Afghanistan\u003cbr\u003e\u003cstrong\u003eCrystal System:\u003c\/strong\u003e Monoclinic (Beryllonite)\u003cbr\u003e\u003cstrong\u003eMineral Class:\u003c\/strong\u003e Phosphates\u003cbr\u003e\u003cstrong\u003eDimensions:\u003c\/strong\u003e 3.5 × 5 cm\u003c\/p\u003e","brand":"Rocky Mountain Minerals and Fossils","offers":[{"title":"Default Title","offer_id":51500457754906,"sku":null,"price":100.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0679\/6011\/1386\/files\/IMG_3293.jpg?v=1766899971"},{"product_id":"amazonite-with-smoky-quartz-ethiopia","title":"Microlcine (variety Amazonite) with Smoky Quartz - Kashale, Konso, Ethiopia","description":"\u003cp\u003eYou would be excused if you thought this beautifully-coloured \u003cstrong\u003eamazonite \u003c\/strong\u003ewas from Colorado. Essentially all of the quality amazonite we've seen on the market lately is from the Rockies in Colorado. However, this specimen is from \u003cstrong\u003eEthiopia\u003c\/strong\u003e! This remarkable country also claims world-class opals and emeralds (I think I need to visit there one day!). The deposits at Konso are now recognized as equally, if not exceeding the quality of their Colorado cousins. This piece has several very brightly coloured amazonite crystals along with a few (broken) smoky quartz crystals. Ex Lauren Howard collection. From: Kashale, Konso, Southern Nations Nationalities \u0026amp; Peoples' Region, Ethiopia. \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eMineral:\u003c\/strong\u003e Microcline (Amazonite) with Smoky Quartz\u003cbr\u003e\u003cstrong\u003eLocality:\u003c\/strong\u003e Kashale, Konso, Ethiopia\u003cbr\u003e\u003cstrong\u003eCrystal System:\u003c\/strong\u003e Triclinic\u003cbr\u003e\u003cstrong\u003eMineral Class:\u003c\/strong\u003e Silicates – Feldspar Group\u003cbr\u003e\u003cstrong\u003eProvenance:\u003c\/strong\u003e Ex Lauren Howard Collection\u003cbr\u003e\u003cstrong\u003eDimensions:\u003c\/strong\u003e 6 × 8 cm\u003c\/p\u003e","brand":"Rocky Mountain Minerals and Fossils","offers":[{"title":"Default Title","offer_id":51502765211930,"sku":null,"price":250.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0679\/6011\/1386\/files\/IMG_3692_1.jpg?v=1767058179"},{"product_id":"whiteite-with-siderite-quartz-rapid-creek-yukon-canada","title":"Whiteite with Siderite \u0026 Quartz - Rapid Creek, Yukon, Canada","description":"\u003cp\u003e\u003cstrong\u003eRapid Creek, Yukon\u003c\/strong\u003e has yielded a dizzying array of rare minerals and phosphate. A classic Rapid Creek specimen is \u003cstrong\u003ewhiteite\u003c\/strong\u003e. This rare hydrated hydroxyphosphate is named after a founder of the \u003cem\u003eMineralogical Record\u003c\/em\u003e and former associate curator of minerals at the Smithsonian Institution, John Sampson White, Jr. This example has several whiteite crystals (toffee coloured) along with scattered small quartz and siderite crystals on shale. A good association specimen of good size. Ex Tom Collins collection. From: Rapid Creek, Yukon, Canada. \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eMineral:\u003c\/strong\u003e Whiteite with Siderite \u0026amp; Quartz\u003cbr\u003e\u003cstrong\u003eLocality:\u003c\/strong\u003e Rapid Creek, Yukon, Canada\u003cbr\u003e\u003cstrong\u003eCrystal System:\u003c\/strong\u003e Monoclinic\u003cbr\u003e\u003cstrong\u003eMineral Class:\u003c\/strong\u003e Phosphates\u003cbr\u003e\u003cstrong\u003eProvenance:\u003c\/strong\u003e Ex Tom Collins Collection\u003cbr\u003e\u003cstrong\u003eDimensions:\u003c\/strong\u003e 6 × 9 cm\u003c\/p\u003e","brand":"Rocky Mountain Minerals and Fossils","offers":[{"title":"Default Title","offer_id":51502766227738,"sku":null,"price":85.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0679\/6011\/1386\/files\/IMG_3709.jpg?v=1767051469"},{"product_id":"barite-on-sphalerite-sweetwater-mine-carthage-tennessee-usa","title":"Barite on Sphalerite - Elmwood Mine, Tennessee, USA","description":"\u003cp\u003eOne of the more distinctive and peculiar mineral combinations in the mineral world are spheres of \u003cstrong\u003ebarite on sphalerite\u003c\/strong\u003e. \u003cstrong\u003eThe Elmwood Mine\u003c\/strong\u003e is a large producer of zinc, of which sphalerite is the main ore. Occasionally the mine would yield these bizarre snowball-like spheres of barite. The colour contrast between the dark amber-black sphalerite and white barite is outstanding. The sphalerite is well-crystallized and worthy of closer inspection too. Ex Mike Clark collection. From: Elmwood Mine, Carthage, Tennessee. \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eMineral:\u003c\/strong\u003e Barite on Sphalerite\u003cbr\u003e\u003cstrong\u003eLocality:\u003c\/strong\u003e Elmwood Mine, Carthage, Tennessee, USA\u003cbr\u003e\u003cstrong\u003eCrystal System:\u003c\/strong\u003e Orthorhombic (Barite)\u003cbr\u003e\u003cstrong\u003eMineral Class:\u003c\/strong\u003e Sulfates\u003cbr\u003e\u003cstrong\u003eProvenance:\u003c\/strong\u003e Ex Mike Clark Collection\u003cbr\u003e\u003cstrong\u003eDimensions:\u003c\/strong\u003e 8 × 9 cm (barite sphere approx. 4 cm across)\u003c\/p\u003e","brand":"Rocky Mountain Minerals and Fossils","offers":[{"title":"Default Title","offer_id":51502766293274,"sku":null,"price":100.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0679\/6011\/1386\/files\/IMG_3712_1.jpg?v=1766980698"},{"product_id":"smoky-quartz-fluorapatite-mont-st-hilaire-quebec-canada","title":"Fluorapatite \u0026 Smoky Quartz - Mont St-Hilaire, Quebec, Canada","description":"\u003cp\u003eAn interesting \u003cstrong\u003efluorapatite and smoky quartz\u003c\/strong\u003e association from \u003cstrong\u003eMont Saint-Hilaire, Quebec\u003c\/strong\u003e, one of Canada's most celebrated mineral localities. A distinct mineralized vein cuts across the pale nepheline syenite host rock, creating an excellent natural cross-section of the mineralization. \u003cbr\u003eWithin the vein, fluorapatite occurs alongside smoky quartz, with the darker crystals standing out clearly against the contrasting light-coloured matrix. The specimen is particularly appealing as a geological example, showing the relationship between the crystallized vein material and the surrounding host rock.\u003cbr\u003eA representative specimen from Mont Saint-Hilaire, a locality internationally renowned for its remarkable mineral diversity and unusual mineral assemblages.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eMineral:\u003c\/strong\u003e Fluorapatite \u0026amp; Smoky Quartz\u003cbr\u003e\u003cstrong\u003eLocality:\u003c\/strong\u003e Mont Saint-Hilaire, Quebec, Canada\u003cbr\u003e\u003cstrong\u003eCrystal System:\u003c\/strong\u003e Hexagonal (Fluorapatite)\u003cbr\u003e\u003cstrong\u003eMineral Class:\u003c\/strong\u003e Phosphates\u003cbr\u003e\u003cstrong\u003eProvenance:\u003c\/strong\u003e Ex Garry Kolodinsky Collection\u003cbr\u003e\u003cstrong\u003eDimensions:\u003c\/strong\u003e 6.5 × 7 cm\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"Rocky Mountain Minerals and Fossils","offers":[{"title":"Default Title","offer_id":51502767669530,"sku":null,"price":65.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0679\/6011\/1386\/files\/IMG_3722_1_e7816c50-93f0-4640-8b1c-b0a35c4318b9.jpg?v=1766980487"},{"product_id":"silver-in-calcite-cobalt-area-ontario-canada-1","title":"Silver in Calcite - Cobalt area, Ontario, Canada","description":"\u003cp\u003eA large specimen richly-covered in native \u003cstrong\u003esilver from the Cobalt, Ontario area\u003c\/strong\u003e. Both leaf and crystallized silver are present and have been exposed by etching away the calcite veins they formed in. The crystallized silver, notably, shows a significant amount of spinel-twinning both on the front and back of the piece. Like several pieces acquired from this collector's estate, a coating had been put on the specimen in an attempt to present tarnishing. Ex Garry Kolodinsky collection. From: Cobalt area, Timiskaming District, Ontario, Canada. \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eMineral:\u003c\/strong\u003e Silver in Calcite\u003cbr\u003e\u003cstrong\u003eLocality:\u003c\/strong\u003e Cobalt area, Timiskaming District, Ontario, Canada\u003cbr\u003e\u003cstrong\u003eCrystal System:\u003c\/strong\u003e Cubic (Isometric)\u003cbr\u003e\u003cstrong\u003eMineral Class:\u003c\/strong\u003e Native Elements\u003cbr\u003e\u003cstrong\u003eProvenance:\u003c\/strong\u003e Ex Garry Kolodinsky Collection\u003cbr\u003e\u003cstrong\u003eDimensions:\u003c\/strong\u003e 6 × 7 cm\u003c\/p\u003e","brand":"Rocky Mountain Minerals and Fossils","offers":[{"title":"Default Title","offer_id":51505574314266,"sku":null,"price":400.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0679\/6011\/1386\/files\/IMG_3602_ee3d4768-5a44-412a-a13f-7639b884b5b9.jpg?v=1767041968"},{"product_id":"fluorite-frazers-hush-mine-weardale-county-durham-england","title":"Fluorite - Frazer's Hush Mine, Weardale, County Durham, England","description":"\u003cp\u003e\u003cstrong\u003eThe Frazer's Hush mine\u003c\/strong\u003e, like the Rogerley Mine also in County Durham, began operations in the 1970s, finally closing in 1999.  The mine is famous for its \u003cstrong\u003eamethyst-coloured fluorite\u003c\/strong\u003e, like this piece here. It is, admittedly, difficult to capture the beauty of this fluorite by photograph as the piece is even better in person. Looking closely, you will note the same twinning commonly displayed from the Rogerley Mine. Of course the piece displays terrific fluorescence under ultraviolet light. The mine, interestingly, may have taken its name from a nearby hushing (hydraulic mining) site dating from medieval times! Ex Garry Kolodinsky collection. From: Frazer's Hush Mine, Weardale, County Durham, England. \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eMineral:\u003c\/strong\u003e Fluorite\u003cbr\u003e\u003cstrong\u003eLocality:\u003c\/strong\u003e Frazer’s Hush Mine, Weardale, County Durham, England\u003cbr\u003e\u003cstrong\u003eCrystal System:\u003c\/strong\u003e Cubic (Isometric)\u003cbr\u003e\u003cstrong\u003eMineral Class:\u003c\/strong\u003e Halides\u003cbr\u003e\u003cstrong\u003eProvenance:\u003c\/strong\u003e Ex Garry Kolodinsky Collection\u003cbr\u003e\u003cstrong\u003eDimensions:\u003c\/strong\u003e 7 × 8 cm\u003c\/p\u003e","brand":"Rocky Mountain Minerals and Fossils","offers":[{"title":"Default Title","offer_id":51608659460378,"sku":null,"price":135.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0679\/6011\/1386\/files\/IMG_3852_1.jpg?v=1768876868"},{"product_id":"fluorite-with-pyrite-and-aragonite-sauberg-mine-ehrenfriedersdorf-germany","title":"Fluorite with Pyrite and Aragonite - Sauberg Mine, Ehrenfriedersdorf, Germany","description":"\u003cp\u003eThese \u003cstrong\u003efluorite cubes\u003c\/strong\u003e are aligned like mountain ridges but are not covered in snow but fine pyrite and bulbous aragonite; a very curious combination. The fluorite reacts strongly to 365nm UV light, turning a brilliant purple when exposed. The fluorite ranges from light purple to gray in daylight and essentially has no matrix...it is all fluorite. A classic German locality, \u003cstrong\u003ethe Sauberg Mine\u003c\/strong\u003e is now a tourist attraction after closing back in 1990. The mine exploited tin and tungsten veins also rich in fluorite. Notably the mine is the type locality for fluorapatite. The specimen is also accompanied by an older label predating the previous owner. Ex Garry Kolodinsky collection. From: Sauberg Mine, Ehrenfriedersdorf, Saxony, Germany. \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eMineral:\u003c\/strong\u003e Fluorite with Pyrite and Aragonite\u003cbr\u003e\u003cstrong\u003eLocality:\u003c\/strong\u003e Sauberg Mine, Ehrenfriedersdorf, Saxony, Germany\u003cbr\u003e\u003cstrong\u003eCrystal System:\u003c\/strong\u003e Cubic (Isometric) – Fluorite\u003cbr\u003e\u003cstrong\u003eMineral Class:\u003c\/strong\u003e Halides\u003cbr\u003e\u003cstrong\u003eProvenance:\u003c\/strong\u003e Ex Garry Kolodinsky Collection; accompanied by an older collection label predating the previous owner\u003cbr\u003e\u003cstrong\u003eDimensions:\u003c\/strong\u003e 7 × 11 cm\u003c\/p\u003e","brand":"Rocky Mountain Minerals and Fossils","offers":[{"title":"Default Title","offer_id":51610256408858,"sku":null,"price":50.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0679\/6011\/1386\/files\/IMG_3866.jpg?v=1768931113"},{"product_id":"fluorite-blue-john-treak-cliff-caverns-castleton-england","title":"Fluorite (\"Blue John\") - Treak Cliff Caverns, Castleton, England","description":"\u003cp\u003eWe often do not see true European classic minerals deep here in Western Canada but once in a while we get lucky. \"Blue John\" is a term given to \u003cstrong\u003ethe colourful, banded fluorspar\u003c\/strong\u003e found at \u003cstrong\u003eTreak Cliff hill\u003c\/strong\u003e, that has been prized as a carving material in England for centuries. Mining at Treak Cliff Caverns began as early as 1745, with operations of many different scales, continuing to this day (although now mostly as a tourist attraction). Unlike the typical banded and massive fluorite commonly found at Treak Cliff, our specimen shows well-defined cubes of deep purple colour, though partially covered in a brown-orange crust. Some of the cubes show some cleavage or dings. I appreciate this is not the most pretty fluorite on the market but does represent a chance to acquire a true classic from one of the very first fluorite mines at an entry-level price. This reference specimen would most certainly help complete a specialty fluorite collection. Ex Tom Collins collection. From: Treak Cliff Caverns, Castleton, England. \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eMineral:\u003c\/strong\u003e Fluorite (“Blue John”)\u003cbr\u003e\u003cstrong\u003eLocality:\u003c\/strong\u003e Treak Cliff Caverns, Castleton, Derbyshire, England\u003cbr\u003e\u003cstrong\u003eCrystal System:\u003c\/strong\u003e Cubic (Isometric)\u003cbr\u003e\u003cstrong\u003eMineral Class:\u003c\/strong\u003e Halides\u003cbr\u003e\u003cstrong\u003eProvenance:\u003c\/strong\u003e Ex Tom Collins Collection\u003cbr\u003e\u003cstrong\u003eDimensions:\u003c\/strong\u003e 7 × 10 cm\u003c\/p\u003e","brand":"Rocky Mountain Minerals and Fossils","offers":[{"title":"Default Title","offer_id":51610384040218,"sku":null,"price":30.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0679\/6011\/1386\/files\/IMG_3871.jpg?v=1768940211"},{"product_id":"petrified-colla-wood-zile-turkey-1","title":"Petrified \"Colla\" Wood, Zile, Turkey","description":"\u003cp\u003e\u003cspan\u003eThis agatized wood is found over a copper deposit in Turkey with only a few pieces showing unique replacement with various copper minerals. The wood is a white pine but the term \"Colla Wood\" has been coined to popularly name the material stemming from the chrysocolla present in many specimens. This specimen shows a complete \"round\" with good preservation of bark. I especially like the contorted growth rings which help tell a story of this tree's life. True to its name, chrysocolla has replaced some of the agatized wood. A close inspection reveals an abundance brown cuprite crystals too. If you look very closely you can even recognize crystal faces! I believe the small streaks of orange are siderite. \u003c\/span\u003e\u003cspan\u003eNote that the chalcedony fluoresces for added interest. \u003c\/span\u003e\u003cspan\u003ePossibly of Miocene age. Zile, Tolkat Province, Turkey. Dimensions: 8 cm x 19 cm\u003c\/span\u003e\u003c\/p\u003e","brand":"Rocky Mountain Minerals and Fossils","offers":[{"title":"Default Title","offer_id":51769943261466,"sku":null,"price":400.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0679\/6011\/1386\/files\/IMG_4800.jpg?v=1772250383"},{"product_id":"kinoite-christmas-mine-arizona","title":"Kinoite - Christmas Mine, Arizona","description":"\u003cp\u003eA striking specimen of\u003cstrong\u003e rare kinoite\u003c\/strong\u003e from the historic\u003cstrong\u003e Christmas Mine near Hayden, Arizona\u003c\/strong\u003e. The display face is richly covered with vivid blue, vitreous kinoite crystals, approximately 1 mm in size, creating exceptional colour contrast against the pale matrix. Scattered colourless apophyllite crystals add further mineralogical and visual interest. \u003cbr\u003eKinoite is an uncommon copper silicate, and the Christmas Mine is particularly famous among collectors for producing fine crystallized examples of the species. With the mine now abandoned and collecting prohibited, older specimens from this classic locality are increasingly desirable. \u003cbr\u003eThe intense electric-blue colour, extensive crystal coverage and classic locality make this an excellent representative example of kinoite.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eMineral:\u003c\/strong\u003e Kinoite\u003cbr\u003e\u003cstrong\u003eLocality:\u003c\/strong\u003e Christmas Mine, near Hayden, Gila County, Arizona, USA\u003cbr\u003e\u003cstrong\u003eCrystal System:\u003c\/strong\u003e Monoclinic\u003cbr\u003e\u003cstrong\u003eMineral Class:\u003c\/strong\u003e Silicates\u003cbr\u003e\u003cstrong\u003eProvenance:\u003c\/strong\u003e Ex Allan Ingelson Collection\u003cbr\u003e\u003cstrong\u003eDimensions:\u003c\/strong\u003e 4.5 × 5.5 × 3 cm\u003c\/p\u003e","brand":"Rocky Mountain Minerals and Fossils","offers":[{"title":"Default Title","offer_id":51770074104090,"sku":null,"price":200.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0679\/6011\/1386\/files\/IMG_4824.jpg?v=1772255360"},{"product_id":"dioptase-ntola-mine-mindouli-district-republic-of-the-congo-brazzaville","title":"Dioptase with Mimetite - N'tola Mine, Mindouli District, Republic of the Congo (Brazzaville)","description":"\u003cp\u003eI was almost becoming numb to the impressive \u003cstrong\u003edioptases \u003c\/strong\u003eemerging from the \u003cstrong\u003eCongo region of Africa\u003c\/strong\u003e until I saw this piece. Although I am a Tsumeb dioptase purist, this specimen is attention-grabbing. I appreciate its three-dimensional nature, with its emerald green, broccoli-like mounds of dioptase crystals. At the base of the broccoli mounds are elongated and striated, single crystals of dioptase, all resting on contrasting dolomite. The presence of these two different forms of dioptase together on one piece steal the show for me. The luster is very vitreous and sparkles in the lowest of light. Sprinkled, here and there, are a few yellow-orange mimetite crystals which add quite a bit of interest to this dazzling piece. Recently acquired in a trade with a large US dealer (I got the better deal I think!). From: N'tola Mine, Kimbedi, Mindouli District, Pool Department, Republic of the Congo (Brazzaville). \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eMineral:\u003c\/strong\u003e Dioptase with Mimetite\u003cbr\u003e\u003cstrong\u003eLocality:\u003c\/strong\u003e N'tola Mine, Kimbedi, Mindouli District, Pool Department, Republic of the Congo (Brazzaville)\u003cbr\u003e\u003cstrong\u003eCrystal System:\u003c\/strong\u003e Trigonal\u003cbr\u003e\u003cstrong\u003eMineral Class:\u003c\/strong\u003e Silicates\u003cbr\u003e\u003cstrong\u003eProvenance:\u003c\/strong\u003e Recently acquired from a U.S. mineral dealer\u003cbr\u003e\u003cstrong\u003eDimensions:\u003c\/strong\u003e 6 × 8 cm\u003c\/p\u003e","brand":"Rocky Mountain Minerals and Fossils","offers":[{"title":"Default Title","offer_id":51770082132250,"sku":null,"price":600.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0679\/6011\/1386\/files\/IMG_4832.jpg?v=1772256715"},{"product_id":"witherite-minerva-no-1-mine-hardin-county-illinois","title":"Witherite - Minerva No 1 Mine, Hardin County, Illinois","description":"\u003cp\u003eI love mineral specimens that tell a story like this one. In this case, we have a very large \u003cstrong\u003ewitherite \u003c\/strong\u003ecrystal that experienced a tectonic break during growth. The break is filled with purple \u003cstrong\u003efluorite \u003c\/strong\u003eand white \u003cstrong\u003ecalcite\u003c\/strong\u003e. The tear separated the witherite into two halves which may have continued to grow, but at slightly different angles. The tear through the witherite is not complete and almost appears to have healed itself near the large termination. It almost appears that it sutured together with stitches! While the tear is interesting geologically, the witherite itself is a beast measuring 6.5 cm x 6.5 cm x 5 cm. With barium the key element in this mineral, it is very hefty at this size. The crystal is complete with deep colour and terrific luster. Fluorescence is very nice under short wave UV light. The Minerva No 1 Mine is arguably the best locality for the species worldwide and this piece is no exception. Ex Bill Rouslin collection. From: \u003cstrong\u003eMinerva No 1 Mine, Cave-in-Rock district, Hardin County, Illinois.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eMineral:\u003c\/strong\u003e Witherite\u003cbr\u003e\u003cstrong\u003eLocality:\u003c\/strong\u003e Minerva No. 1 Mine, Cave-in-Rock District, Hardin County, Illinois, USA\u003cbr\u003e\u003cstrong\u003eCrystal System:\u003c\/strong\u003e Orthorhombic\u003cbr\u003e\u003cstrong\u003eMineral Class:\u003c\/strong\u003e Carbonates\u003cbr\u003e\u003cstrong\u003eShort Wave Ultraviolet response\u003c\/strong\u003e: Bluish-white cream\u003cbr\u003e\u003cstrong\u003eProvenance:\u003c\/strong\u003e Ex Bill Rouslin Collection\u003cbr\u003e\u003cstrong\u003eDimensions:\u003c\/strong\u003e 6.5 × 6.5 × 5 cm\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"Rocky Mountain Minerals and Fossils","offers":[{"title":"Default Title","offer_id":51937405632794,"sku":null,"price":950.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0679\/6011\/1386\/files\/IMG_5556_1.jpg?v=1775272153"},{"product_id":"rhodonite-variety-fowlerite-franklinite-franklin-sussex-co-new-jersey","title":"Rhodonite (variety Fowlerite) \u0026 Franklinite -  Franklin, New Jersey","description":"\u003cp\u003eBill Rouslin, originally from Rhode Island, was a serious mineral collector for most of his life. According to his wife, decades ago they used to drive past the mines at \u003cstrong\u003eFranklin, New Jersey\u003c\/strong\u003e on a regular basis. Apparently he made many side trips to the mines and picked up many classic specimens from that locality (watch for future listings). Perhaps the star piece of his Franklin acquisitions was this cabinet-sized \u003cstrong\u003erhodonite\u003c\/strong\u003e and \u003cstrong\u003efranklinite\u003c\/strong\u003e combination. The light pink flags the rhodonite as the zinc and calcium-bearing variety called \u003cstrong\u003efowlerite\u003c\/strong\u003e. There is a small amount of calcite at the base of the rhodonites which makes me think this piece was etched out from calcite (the calcite fluoresces brightly under long wave UV light). The rhodonites are big with black, opaque franklinite crystals attached to their sides and at their bases. Note instead of the typical octahedral form, the franklinites are dodecahedral! This is an impressive mineralogical specimen from a famous locality that is long out of production. Specimens like these are important historically and need to be curated appropriately. Admittedly this is a difficult piece to let go.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eMineral:\u003c\/strong\u003e Rhodonite (variety Fowlerite) \u0026amp; Franklinite\u003cbr\u003e\u003cstrong\u003eLocality:\u003c\/strong\u003e Franklin, Sussex County, New Jersey, USA\u003cbr\u003e\u003cstrong\u003eCrystal System:\u003c\/strong\u003e Triclinic (Rhodonite\/Fowlerite)\u003cbr\u003e\u003cstrong\u003eMineral Class:\u003c\/strong\u003e Silicates\u003cbr\u003e\u003cstrong\u003eProvenance:\u003c\/strong\u003e Ex Bill Rouslin Collection\u003cbr\u003e\u003cstrong\u003eDimensions:\u003c\/strong\u003e 13 × 9 × 8 cm\u003c\/p\u003e","brand":"Rocky Mountain Minerals and Fossils","offers":[{"title":"Default Title","offer_id":52051945881882,"sku":null,"price":1300.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0679\/6011\/1386\/files\/IMG_5530_1.jpg?v=1775589182"},{"product_id":"rutile-graves-mountain-georgia","title":"Rutile  - Graves Mountain, Georgia","description":"\u003cp\u003eThis is a giant \u003cstrong\u003erutile \u003c\/strong\u003efrom the famous Graves Mountain locality in Georgia, USA. Likely an older piece from a recently acquired collection, these specimens are considered classics of the mineral world. Clearly the best of the biggest rutiles come from Graves Mountain and this big boy does not disappoint. The crystal is sharp on all edges other than the basal contact with no damage. Crystals of this size and quality are not common in today's market. Ex Bill Rouslin collection. From: Graves Mountain, Lincoln County, Georgia. \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eMineral:\u003c\/strong\u003e Rutile\u003cbr\u003e\u003cstrong\u003eLocality:\u003c\/strong\u003e Graves Mountain, Lincoln County, Georgia, USA\u003cbr\u003e\u003cstrong\u003eCrystal System:\u003c\/strong\u003e Tetragonal\u003cbr\u003e\u003cstrong\u003eMineral Class:\u003c\/strong\u003e Oxides\u003cbr\u003e\u003cstrong\u003eProvenance:\u003c\/strong\u003e Ex Bill Rouslin Collection\u003cbr\u003e\u003cstrong\u003eDimensions:\u003c\/strong\u003e 7.5 × 7 × 4 cm\u003c\/p\u003e","brand":"Rocky Mountain Minerals and Fossils","offers":[{"title":"Default Title","offer_id":52052303216922,"sku":null,"price":900.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0679\/6011\/1386\/files\/IMG_5543_1.jpg?v=1775591108"},{"product_id":"corundum-variety-sapphire-ratnapura-sri-lanka","title":"Corundum (variety Sapphire) - Ratnapura, Sri Lanka","description":"\u003cp\u003e\u003cstrong\u003eThe island of gems, Sri Lanka\u003c\/strong\u003e, has yielded an astounding treasure trove of \u003cstrong\u003esapphires \u003c\/strong\u003efor hundreds of years. Most are found in alluvial (river and stream) gravels having been liberated from their host rocks by relentless tropical rains. Occasionally we get to see sapphires still in their host rock which is a rare thing. This is somewhat personal to me as my Bachelor's thesis project, in university, was studying the host rocks at the Yogo Gulch sapphire deposit in Montana. Sri Lanka's rocks are much different but yield similar gems. In this case we have a LARGE, bi-pyramidal corundum crystal in its host rock. The blue-gray corundum crystal (variety sapphire) is 9 cm long! Note the fractures on the specimen appear natural with no evidence of repairs under inspection with a black light. The specimen stands proudly on its own without any aids. This piece is from Rob Belcher's collection. From: \u003cstrong\u003eRatnapura, Sri Lanka.\u003c\/strong\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eMineral:\u003c\/strong\u003e Corundum (variety Sapphire)\u003cbr\u003e\u003cstrong\u003eLocality:\u003c\/strong\u003e Ratnapura, Sabaragamuwa Province, Sri Lanka\u003cbr\u003e\u003cstrong\u003eCrystal System:\u003c\/strong\u003e Trigonal\u003cbr\u003e\u003cstrong\u003eMineral Class:\u003c\/strong\u003e Oxides\u003cbr\u003e\u003cstrong\u003eProvenance:\u003c\/strong\u003e Ex Rob Belcher Collection\u003cbr\u003e\u003cstrong\u003eDimensions:\u003c\/strong\u003e 9 × 5 × 9 cm (sapphire crystal approx. 9 cm long)\u003c\/p\u003e","brand":"Rocky Mountain Minerals and Fossils","offers":[{"title":"Default Title","offer_id":52181668659482,"sku":null,"price":1500.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0679\/6011\/1386\/files\/IMG_5151.jpg?v=1778087133"},{"product_id":"amblygonite-divina-das-laranjeiras-minas-gerais-brazil","title":"Amblygonite - Divina das Laranjeiras, Minas Gerais, Brazil","description":"\u003cp\u003e\u003cstrong\u003eAmblygonite\u003c\/strong\u003e; the name roles off your tongue! Well that is probably not true but it is certainly beautiful. This mineral is a rare lithium aluminum phosphate first discovered in Germany in 1817, but the best collector-quality specimens are from \u003cstrong\u003eBrazil\u003c\/strong\u003e. This large specimen has a bold yellow colour and is fully crystallized (except for a basal cleavage). At first glance it does not appear to be crystallized as claimed but a close inspection reveals faces on all sides. A large, colourful example of the species. Rob Belcher collection. From: \u003cstrong\u003eDivina das Laranjeiras, Minas Gerais, Brazil.\u003c\/strong\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eMineral:\u003c\/strong\u003e Amblygonite\u003cbr\u003e\u003cstrong\u003eLocality:\u003c\/strong\u003e Divina das Laranjeiras, Minas Gerais, Brazil\u003cbr\u003e\u003cstrong\u003eCrystal System:\u003c\/strong\u003e Triclinic\u003cbr\u003e\u003cstrong\u003eMineral Class:\u003c\/strong\u003e Phosphates\u003cbr\u003e\u003cstrong\u003eProvenance:\u003c\/strong\u003e Ex Rob Belcher Collection\u003cbr\u003e\u003cstrong\u003eDimensions:\u003c\/strong\u003e 9 × 6 × 4.5 cm\u003c\/p\u003e","brand":"Rocky Mountain Minerals and Fossils","offers":[{"title":"Default Title","offer_id":52181696381210,"sku":null,"price":495.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0679\/6011\/1386\/files\/IMG_4939.jpg?v=1778088222"},{"product_id":"lollingite-with-quartz-chifeng-inner-mongolia-china","title":"Lollingite with Quartz - Chifeng, Inner Mongolia, China","description":"\u003cp\u003eMy friend, Rob Belcher, and I are fans of metallic minerals. Shockingly, at times, we seem to be in the minority but surely a nice specimen of \u003cstrong\u003elollingite \u003c\/strong\u003ewould sway anyone to our side? In its purest form, Lollingite has a fairly simple chemical formula consisting of an atom of arsenic and two of iron and has a stunning colour and luster (in my humble opinion). The mines near \u003cstrong\u003eChifeng City in Inner Mongolia\u003c\/strong\u003e have produced terrific examples like this piece form Rob's collection. The sheath-like lollingite crystals are scattered amongst the occasional quartz crystal point making for nice contrast. A very nice example of the species from a contemporary classic locality. From: \u003cstrong\u003eChifeng, Inner Mongolia, China\u003c\/strong\u003e. \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eMineral:\u003c\/strong\u003e Löllingite with Quartz\u003cbr\u003e\u003cstrong\u003eLocality:\u003c\/strong\u003e Chifeng, Inner Mongolia, China\u003cbr\u003e\u003cstrong\u003eCrystal System:\u003c\/strong\u003e Orthorhombic\u003cbr\u003e\u003cstrong\u003eMineral Class:\u003c\/strong\u003e Arsenides\u003cbr\u003e\u003cstrong\u003eProvenance:\u003c\/strong\u003e Ex Rob Belcher Collection\u003cbr\u003e\u003cstrong\u003eDimensions:\u003c\/strong\u003e 7.5 × 6 cm\u003c\/p\u003e","brand":"Rocky Mountain Minerals and Fossils","offers":[{"title":"Default Title","offer_id":52181813166362,"sku":null,"price":250.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0679\/6011\/1386\/files\/IMG_5197.jpg?v=1778089690"},{"product_id":"chrysoberyl-variety-alexandrite-in-schist-campo-formosa-bahia-brazil","title":"Chrysoberyl (variety Alexandrite) in schist - Campo Formosa, Bahia, Brazil","description":"\u003cp\u003eHere is a classic \u003cstrong\u003eBrazilian\u003c\/strong\u003e mineral specimen: a nice alexandrite crystal cluster. \u003cstrong\u003eAlexandrite \u003c\/strong\u003eis a special variety of \u003cstrong\u003echrysoberyl \u003c\/strong\u003ethat changes colour when exposed to different light sources. For alexandrite, it is red in incandescent (artificial) light - as seen in these photos - but will be green in strong daylight. Most of the material from Bahia is opaque and included like this specimen but the colour change is certainly fun. I personally enjoy gem minerals still embedded in their host rock too. I feel this gives the specimen better geologic context for understanding its formation. This specimen's matrix is composed of schist which reveals a metamorphic environment of formation. Ex Rob Belcher collection. Mounted on an acrylic base. From: \u003cstrong\u003eCampo Formosa, Bahia, Brazil\u003c\/strong\u003e. \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eMineral:\u003c\/strong\u003e Chrysoberyl (variety Alexandrite) in Schist\u003cbr\u003e\u003cstrong\u003eLocality:\u003c\/strong\u003e Campo Formosa, Bahia, Brazil\u003cbr\u003e\u003cstrong\u003eCrystal System:\u003c\/strong\u003e Orthorhombic\u003cbr\u003e\u003cstrong\u003eMineral Class:\u003c\/strong\u003e Oxides\u003cbr\u003e\u003cstrong\u003eProvenance:\u003c\/strong\u003e Ex Rob Belcher Collection\u003cbr\u003e\u003cstrong\u003eDimensions:\u003c\/strong\u003e 5.5 × 4.5 cm\u003c\/p\u003e","brand":"Rocky Mountain Minerals and Fossils","offers":[{"title":"Default Title","offer_id":52341026586906,"sku":null,"price":375.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0679\/6011\/1386\/files\/IMG_4868.jpg?v=1781128165"},{"product_id":"quartz-over-fluorite-el-hammam-mine-meknes-tafilalet-morocco","title":"Quartz over Fluorite - El Hammam Mine, Meknes-Tafilalet Region, Khemisset Province, Morocco","description":"\u003cp\u003eTwo minerals in one! Lustrous \u003cstrong\u003equartz \u003c\/strong\u003ecrystals completely covering purplish \u003cstrong\u003efluorite \u003c\/strong\u003eon one side (the opposite side is a contact). This is a really pretty, cabinet-sized specimen and catches my eye every time I see it. The octahedral shape of the fluorite creates an intriguing substrate for the quartz and is attractive from every angle. \u003cstrong\u003eThis Moroccan locality \u003c\/strong\u003eis famous for its fluorites and is the only active fluorite mine in that country. Ex Rob Belcher. From: El Hammam Mine, Meknes-Tafilalet Region, Khemisset Province, Morocco.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eMineral:\u003c\/strong\u003e Quartz over Fluorite\u003cbr\u003e\u003cstrong\u003eLocality:\u003c\/strong\u003e El Hammam Mine, Khemisset Province, Morocco\u003cbr\u003e\u003cstrong\u003eCrystal System:\u003c\/strong\u003e Trigonal (Quartz)\u003cbr\u003e\u003cstrong\u003eMineral Class:\u003c\/strong\u003e Silicates\u003cbr\u003e\u003cstrong\u003eProvenance:\u003c\/strong\u003e Ex Rob Belcher Collection\u003cbr\u003e\u003cstrong\u003eDimensions:\u003c\/strong\u003e 11.5 × 10.5 cm\u003c\/p\u003e","brand":"Rocky Mountain Minerals and Fossils","offers":[{"title":"Default Title","offer_id":52341054931226,"sku":null,"price":150.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0679\/6011\/1386\/files\/IMG_4927.jpg?v=1781129715"},{"product_id":"barite-daye-huangshi-hubei-province-china","title":"Barite - Daye, Huangshi, Hubei Province, China","description":"\u003cp\u003eA substantial cabinet-sized \u003cstrong\u003ebarite\u003c\/strong\u003e specimen from \u003cstrong\u003eDaye, Hubei Province, China\u003c\/strong\u003e, composed of an attractive cluster of thick, bladed to tabular crystals. The intergrown crystals create a sculptural, three-dimensional arrangement with numerous overlapping terminations and excellent display presence.\u003cbr\u003e \u003cbr\u003eThe barite shows creamy white to pale beige coloration with subtle colour zoning visible within some of the crystals. Lustrous surfaces and areas of apparent recrystallization add texture and complexity, particularly when the specimen is viewed under good lighting.\u003cbr\u003eAt 14 cm across, this is a sizeable example, and its considerable heft reflects the unusually high density characteristic of barium-rich barite. An attractive and representative Chinese barite with good crystal development and strong cabinet presence.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eMineral:\u003c\/strong\u003e Barite\u003cbr\u003e\u003cstrong\u003eLocality:\u003c\/strong\u003e Daye, Huangshi, Hubei Province, China\u003cbr\u003e\u003cstrong\u003eCrystal System:\u003c\/strong\u003e Orthorhombic\u003cbr\u003e\u003cstrong\u003eMineral Class:\u003c\/strong\u003e Sulfates\u003cbr\u003e\u003cstrong\u003eProvenance:\u003c\/strong\u003e Ex Rob Belcher Collection\u003cbr\u003e\u003cstrong\u003eDimensions:\u003c\/strong\u003e 14 × 8 × 4.5 cm\u003c\/p\u003e","brand":"Rocky Mountain Minerals and Fossils","offers":[{"title":"Default Title","offer_id":52341072363802,"sku":null,"price":210.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0679\/6011\/1386\/files\/IMG_4933.jpg?v=1781130521"},{"product_id":"corundum-variety-sapphire-mogok-myanmar","title":"Corundum (variety Sapphire) - Mogok, Myanmar","description":"\u003cp\u003eA nice crystal of bluish-yellow \u003cstrong\u003esapphire \u003c\/strong\u003efrom the famous \u003cstrong\u003eMogok Valley in Myanmar\u003c\/strong\u003e. This specimen shows multiple phases of growth resulting in a complex single crystal. The overall composition still shows a hexagonal shape that all corundum has. Of course it has a nice reaction when exposed to ultraviolet light as well. This piece was obtained by my friend and well-known Canadian mineral dealer Rob Belcher a few years back on one of his many excursions to Myanmar. Mounted on an acrylic base. \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eMineral:\u003c\/strong\u003e Corundum (variety Sapphire)\u003cbr\u003e\u003cstrong\u003eLocality:\u003c\/strong\u003e Mogok, Mandalay Region, Myanmar\u003cbr\u003e\u003cstrong\u003eCrystal System:\u003c\/strong\u003e Trigonal\u003cbr\u003e\u003cstrong\u003eMineral Class:\u003c\/strong\u003e Oxides\u003cbr\u003e\u003cstrong\u003eProvenance:\u003c\/strong\u003e Ex Rob Belcher Collection\u003cbr\u003e\u003cstrong\u003eDimensions:\u003c\/strong\u003e 4.5 × 3.5 cm\u003c\/p\u003e","brand":"Rocky Mountain Minerals and Fossils","offers":[{"title":"Default Title","offer_id":52347064942874,"sku":null,"price":90.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0679\/6011\/1386\/files\/Corundum.jpg?v=1792073312"}],"url":"https:\/\/keithrocks.ca\/collections\/all-available-specimens.oembed?page=9","provider":"Rocky Mountain Minerals and Fossils","version":"1.0","type":"link"}