{"product_id":"cs419","title":"13.2ct Pair 2pcs Alexandrite Pink to Blue\/Gray Color Change Sapphire Lab Created","description":"\u003cb\u003eCreated Sapphire\u003cbr\u003eLot CS419\u003c\/b\u003e\u003cbr\u003e\u003cbr\u003eColor: from Red to Purple (on Sun light), from Green to Gray (on White lamp)\u003cbr\u003eShape: Trillion\u003cbr\u003eSize: 13x13 2pcs\u003cbr\u003eTotal Caret Weight: 13.22ct\u003cbr\u003e\u003cbr\u003eMineral: Corundum\u003cbr\u003eChemical Formula: Al2O3\u003cbr\u003eCrystal System: Trigonal\u003cbr\u003eHardness (Mohs): 9\u003cbr\u003eRefractive Index: 1.76–1.77\u003cbr\u003eDensity, g\/cm3: 4\u003cbr\u003eDispersion: 0.018\u003cbr\u003ePleochroism: Strong\u003cbr\u003eGrowth Method: Czochralski","brand":"RG Crystals","offers":[{"title":"Default Title","offer_id":41106465718466,"sku":"CS419","price":171.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0589\/5779\/1426\/products\/DSC_0918-2.jpg?v=1654503775","url":"https:\/\/store.rgcrystals.com\/products\/cs419","provider":"RG Crystals Store","version":"1.0","type":"link"}