{"product_id":"octagon-flat-top-double-bevel-black-onyx-cabochons-12x10-14x12mm","title":"Octagon Flat Top Double 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 quartz crystals not visible to the naked eye. Natural black chalcedony is exceptionally rare — virtually all black chalcedony on the market is grey chalcedony that has been chemically treated to achieve its rich, uniform black color. Black Onyx is the top-selling chalcedony in the jewelry market and has a long history of use, including its prominence in Art Deco jewelry design.\u003c\/p\u003e\u003cp\u003eThese genuine Black Onyx cabochons feature an octagon flat top double bevel cut, making them well suited for rings, pendants, brooches, and other fine jewelry settings. Clean with warm, soapy water. Use of an ultrasonic or steam cleaner is generally safe.\u003c\/p\u003e\u003ch3\u003eFeatures\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eGenuine Black Onyx (dyed black chalcedony)\u003c\/li\u003e\n\u003cli\u003eOctagon flat top with double bevel profile\u003c\/li\u003e\n\u003cli\u003eUniform opaque black color throughout\u003c\/li\u003e\n\u003cli\u003eChemically dyed treatment for consistent appearance\u003c\/li\u003e\n\u003cli\u003eSuitable for use in Art Deco-inspired and contemporary jewelry designs\u003c\/li\u003e\n\u003cli\u003eSafe to clean with warm soapy water; ultrasonic and steam cleaning generally safe\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eStone Type\u003c\/th\u003e\n\u003ctd\u003eBlack Onyx (dyed black chalcedony)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCut Style\u003c\/th\u003e\n\u003ctd\u003eOctagon flat top, double bevel\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\u003eTransparency\u003c\/th\u003e\n\u003ctd\u003eOpaque\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\u003eCleaning\u003c\/th\u003e\n\u003ctd\u003eWarm soapy water; ultrasonic and steam generally safe\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch3\u003eAvailable Options\u003c\/h3\u003e\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-F42\u003c\/td\u003e\n\u003ctd\u003e12x10mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e947-F43\u003c\/td\u003e\n\u003ctd\u003e14x12mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e","brand":"Otto Frei","offers":[{"title":"12x10mm","offer_id":47551857295574,"sku":"947-F42","price":4.65,"currency_code":"USD","in_stock":false},{"title":"14x12mm","offer_id":47551857328342,"sku":"947-F43","price":9.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0609\/9832\/0342\/files\/octagon-flat-top-double-bevel-genuine-black-onyx-otto-frei.jpg?v=1719954473","url":"https:\/\/www.ottofrei.com\/products\/octagon-flat-top-double-bevel-black-onyx-cabochons-12x10-14x12mm","provider":"Otto Frei","version":"1.0","type":"link"}