{"product_id":"r1294","title":"30ct Lab Grown Tanzanite (Purple to Blue Forsterite) Faceting Rough Stone","description":"\u003cp\u003e\u003cstrong\u003eLab Grown Tanzanite (Forsterite)\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eLot R1294\u003c\/strong\u003e\u003cbr\u003e\u003cbr\u003e\u003cem\u003ePlease note that only rough stone is included in the lot.\u003c\/em\u003e\u003cbr\u003e\u003cem\u003eThe photo of the faceted stone is only used to demonstrate the approximate color of the material after cutting.\u003c\/em\u003e\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eColor:\u003c\/strong\u003e Pleochroism from Blue to Purple\u003cbr\u003e\u003cstrong\u003eType: \u003c\/strong\u003eRough\u003cbr\u003e\u003cstrong\u003eSize: \u003c\/strong\u003e19x13x11mm\u003cbr\u003e\u003cstrong\u003eWeight: \u003c\/strong\u003e30ct\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eMineral: \u003c\/strong\u003eForsterite\u003cbr\u003e\u003cstrong\u003eChemical Formula: \u003c\/strong\u003eMg2SiO4\u003cbr\u003e\u003cstrong\u003eCrystal System: \u003c\/strong\u003eRhombic\u003cbr\u003e\u003cstrong\u003eHardness (Mohs): \u003c\/strong\u003e7\u003cbr\u003e\u003cstrong\u003eRefractive Index: \u003c\/strong\u003e1.63-1.67\u003cbr\u003e\u003cstrong\u003eDensity, g\/cm3: \u003c\/strong\u003e3.27\u003cbr\u003e\u003cstrong\u003eGrowth Method:\u003c\/strong\u003e Czochralski\u003c\/p\u003e","brand":"RG Crystals","offers":[{"title":"Default Title","offer_id":45238008414402,"sku":"R1294","price":278.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0589\/5779\/1426\/files\/1_4462dad6-02fa-4856-a2de-f1ec98ab50db.jpg?v=1751440162","url":"https:\/\/store.rgcrystals.com\/products\/r1294","provider":"RG Crystals Store","version":"1.0","type":"link"}