{"product_id":"onyx-naturel-taille-marquise7x14-mm","title":"Natural Onyx Marquise Cut 7x14 mm","description":"\u003cul\u003e\n\n\u003cli\u003eType: Onyx\u003c\/li\u003e\n\n\u003cli\u003eOrigin: \u003cspan\u003eN\/A\u003c\/span\u003e\n\n\u003c\/li\u003e\n\n\u003cli\u003eShape: Marquise\u003c\/li\u003e\n\n\u003cli\u003eStone weight: N\/A\u003c\/li\u003e\n\n\u003cli\u003eColor: Black\u003c\/li\u003e\n\n\u003cli\u003eDimensions: 7 x 14 mm\u003c\/li\u003e\n\n\u003cli\u003eQuality and treatment: N\/A\u003c\/li\u003e\n\n\u003cli\u003eBirthstone: N\/A\u003c\/li\u003e\n\n\u003cli\u003eHardness: 6.5-7\u003c\/li\u003e\n\n\u003cli\u003eRefractive index: \u003cspan\u003e1.535-1.539\u003c\/span\u003e\n\n\u003c\/li\u003e\n\n\u003cli\u003eDensity: 2.60\u003c\/li\u003e\n\n\u003cli\u003eCare: Protect from scratches and impacts. Clean gently with a soft brush and warm soapy water.\u003c\/li\u003e\n\n\u003cli\u003eUltrasonic sensitivity: Generally safe\u003c\/li\u003e\n\n\u003cli\u003eSteam sensitivity: Generally safe\u003c\/li\u003e\n\n\u003cli\u003eChemical sensitivity: \u003cspan\u003eSome acids, including hydrofluoric\/nitric acid\u003c\/span\u003e\n\n\u003c\/li\u003e\n\n\u003cli\u003eHeat sensitivity: Low to medium – May cause color alteration.\u003c\/li\u003e\n\n\u003cli\u003eImage is for illustrative purposes only\u003c\/li\u003e\n\n\u003cli\u003eSold individually\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\u003cp\u003eThis stone can be incorporated into a custom project, according to your preferences. We work directly with independent cutters and suppliers, using a respectful and transparent approach. Each stone is carefully chosen to ensure reliable quality, while supporting responsible practices.\u003c\/p\u003e","brand":"Mathieu Blanchard","offers":[{"title":"Default Title","offer_id":47390136369400,"sku":"ONYX-GEN:178275:G","price":25.95,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0471\/7199\/3767\/files\/onyx-naturel-taille-marquise-7x14-mm-mathieu-blanchard-onyx-gen-178275-g-onyx-naturel-taille-marquise-7x14-mm-mathieu-blanchard-joaillerie-1203507163.jpg?v=1762538104","url":"https:\/\/mathieublanchard.fr\/en\/products\/natural-onyx-marquise-size7x14-mm","provider":"Mathieu Blanchard Joaillerie","version":"1.0","type":"link"}