{"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","url":"https:\/\/keithrocks.ca\/products\/ram-s-horn-selenite-mariposa-mine-texas","provider":"Rocky Mountain Minerals and Fossils","version":"1.0","type":"link"}