{"product_id":"octagon-flat-top-single-bevel-genuine-black-onyx-cabochons-12-16mm","title":"Octagon Flat Top Single Bevel Genuine Black Onyx","description":"\u003cp\u003e\u003cstrong\u003eBlack Onyx, also known as black agate, is dyed black chalcedony.\u003c\/strong\u003e Chalcedony is composed of tiny crystals of quartz that are not visible to the naked eye. Natural black chalcedony is so rare that virtually all black chalcedony on the market is grey chalcedony that has been chemically treated to achieve its signature shiny black color. Black Onyx is the top-selling chalcedony in the jewelry market and was a hallmark stone of Art Deco design. These genuine octagon flat top single bevel cabochons deliver a uniform, opaque black ideal for rings, pendants, and statement pieces.\u003c\/p\u003e\n\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eGenuine black onyx (dyed black chalcedony)\u003c\/li\u003e\n\u003cli\u003eOctagon flat top with single bevel profile\u003c\/li\u003e\n\u003cli\u003eUniform opaque black color throughout\u003c\/li\u003e\n\u003cli\u003eClassic cut suited for Art Deco and contemporary designs\u003c\/li\u003e\n\u003cli\u003eSafe to clean with warm, soapy water\u003c\/li\u003e\n\u003cli\u003eGenerally safe for use with ultrasonic and steam cleaners\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\u003eGenuine Black Onyx\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMaterial\u003c\/th\u003e\n\u003ctd\u003eDyed black chalcedony\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eTreatment\u003c\/th\u003e\n\u003ctd\u003eDyed\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eColor\u003c\/th\u003e\n\u003ctd\u003eUniform opaque black\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eShape\u003c\/th\u003e\n\u003ctd\u003eOctagon flat top, single bevel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCare\u003c\/th\u003e\n\u003ctd\u003eWarm soapy water; ultrasonic and steam cleaners 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\u003e947-F32\u003c\/td\u003e\n\u003ctd\u003e12x10mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e947-F33\u003c\/td\u003e\n\u003ctd\u003e14x12mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e947-F34\u003c\/td\u003e\n\u003ctd\u003e16x12mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e","brand":"Otto Frei","offers":[{"title":"12x10mm","offer_id":47551857197270,"sku":"947-F32","price":3.48,"currency_code":"USD","in_stock":true},{"title":"14x12mm","offer_id":47551857230038,"sku":"947-F33","price":4.8,"currency_code":"USD","in_stock":true},{"title":"16x12mm","offer_id":47551857262806,"sku":"947-F34","price":7.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0609\/9832\/0342\/files\/octagon-flat-top-single-bevel-genuine-black-onyx-otto-frei.jpg?v=1719954477","url":"https:\/\/www.ottofrei.com\/products\/octagon-flat-top-single-bevel-genuine-black-onyx-cabochons-12-16mm","provider":"Otto Frei","version":"1.0","type":"link"}