{"product_id":"schorl-tourmaline-with-quartz-minas-gerais-brazil-copy","title":"Mica– Near Rapid City, South Dakota — Two-Specimen Set","description":"\u003cp\u003eMica– Near Rapid City, South Dakota \u003cbr\u003eTwo-Specimen Set\u003cbr\u003e\u003cmeta charset=\"utf-8\"\u003eDimensions\u003cstrong\u003e:\u003c\/strong\u003e 5.1 × 3.9 × 0.3 cm and 5.8 × 2.9 × 0.4 cm\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cmeta charset=\"utf-8\"\u003e\u003cmeta charset=\"utf-8\"\u003eProvenance\u003cstrong\u003e:\u003c\/strong\u003e Original catalog label Nos. 244 \u0026amp; 245 included\u003cbr\u003e\u003c\/p\u003e\n\u003cp class=\"PDq2pG_selectionAnchorContainer\"\u003eTwo thin specimens of pale silvery to champagne-colored Mica displaying broad, highly reflective sheets and excellent basal cleavage. The translucent layers separate into exceptionally thin flexible sheets, producing a pearly to glassy luster across the surfaces.\u003cspan class=\"PDq2pG_selectionAnchor\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eMica is a group of sheet silicate minerals characterized by perfect basal cleavage, allowing crystals to split readily into extremely thin, flexible sheets. The Black Hills region of South Dakota is well known for mica-bearing granitic pegmatites.\u003c\/p\u003e","brand":"The Crystalary","offers":[{"title":"Default Title","offer_id":50507916640387,"sku":"barrydwr9-1of2-245","price":45.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0390\/4634\/8931\/files\/IMG_09873.jpg?v=1789960586","url":"https:\/\/www.thecrystalary.com\/products\/schorl-tourmaline-with-quartz-minas-gerais-brazil-copy","provider":"The Crystalary","version":"1.0","type":"link"}