{"product_id":"heart-faceted-imitation-alexandrite-synthetic-corundum-4-6mm","title":"Heart Faceted Imitation Alexandrite","description":"\u003cp\u003eThis alexandrite simulant is crafted from lab-created synthetic purple corundum, displaying a distinctive grayish purple color reminiscent of natural alexandrite. With a hardness of 9 on the Mohs Scale, these heart-faceted stones offer excellent durability for everyday wear. Their robust composition makes them suitable for demanding metalworking applications, including firing in metal clay and stone-in-place casting. Clean with warm, soapy water; ultrasonic and steam cleaning are generally safe.\u003c\/p\u003e\n\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eAlexandrite simulant\u003c\/strong\u003e with grayish purple color\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eComposed of synthetic purple corundum\u003c\/strong\u003e for consistent color and quality\u003c\/li\u003e\n\u003cli\u003eHardness of 9 on the Mohs Scale — suitable for everyday wear\u003c\/li\u003e\n\u003cli\u003eSafe to fire in metal clay\u003c\/li\u003e\n\u003cli\u003eSafe for stone-in-place casting\u003c\/li\u003e\n\u003cli\u003eUltrasonic and steam cleaning generally safe\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eStone Type\u003c\/th\u003e\n\u003ctd\u003eAlexandrite Simulant\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMaterial\u003c\/th\u003e\n\u003ctd\u003eLab-created synthetic purple corundum\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eColor\u003c\/th\u003e\n\u003ctd\u003eGrayish purple\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eShape\u003c\/th\u003e\n\u003ctd\u003eHeart, faceted\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMohs Hardness\u003c\/th\u003e\n\u003ctd\u003e9\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSize Tolerance\u003c\/th\u003e\n\u003ctd\u003e+\/– 0.10 mm (calibrated)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCare\u003c\/th\u003e\n\u003ctd\u003eWarm, soapy water; ultrasonic and steam generally safe\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eAvailable Options\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003ePart #\u003c\/th\u003e\n\u003cth\u003eSize\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e916-608\u003c\/td\u003e\n\u003ctd\u003e4x4 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e916-615\u003c\/td\u003e\n\u003ctd\u003e5x5 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e916-618\u003c\/td\u003e\n\u003ctd\u003e6x6 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eNotes\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eCalibrated gemstone sizes may vary slightly +\/– 0.10 mm.\u003c\/li\u003e\n\u003cli\u003eThis stone is a simulant, not a natural alexandrite; it does not exhibit the color-change phenomenon of natural alexandrite.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Otto Frei","offers":[{"title":"4x4mm","offer_id":47551820628182,"sku":"916-608","price":4.5,"currency_code":"USD","in_stock":true},{"title":"5x5mm","offer_id":47551820660950,"sku":"916-615","price":5.0,"currency_code":"USD","in_stock":false},{"title":"6x6mm","offer_id":47551820693718,"sku":"916-618","price":5.75,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0609\/9832\/0342\/files\/heart-faceted-imitation-alexandrite-otto-frei.jpg?v=1719954573","url":"https:\/\/www.ottofrei.com\/products\/heart-faceted-imitation-alexandrite-synthetic-corundum-4-6mm","provider":"Otto Frei","version":"1.0","type":"link"}