{"product_id":"07808-top-beautiful-323-inch-calcite-crystals-from-south-morocco","title":"07808 - Top Beautiful 3.23 Inch Calcite Crystals from South Morocco","description":"\u003cp\u003eCalcite is a carbonate mineral and the most stable polymorph of calcium carbonate (CaCO3). The Mohs scale of mineral hardness, based on scratch hardness comparison, defines value 3 as \"calcite\".\u003cbr\u003e\u003cbr\u003eOther polymorphs of calcium carbonate are the minerals aragonite and vaterite. Aragonite will change to calcite over timescales of days or less at temperatures exceeding 300 °C and vaterite is even less stable.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"Jurassic Dreams","offers":[{"title":"Default Title","offer_id":68337002283168,"sku":"jzp1794155739775","price":88.17,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1045\/5833\/0016\/files\/07808---top-beautiful-323-inch-calcite-crystals-from-south-morocco_1.jpg?v=1794155745","url":"https:\/\/boardroomwear.shop\/products\/07808-top-beautiful-323-inch-calcite-crystals-from-south-morocco","provider":"My Store","version":"1.0","type":"link"}