{"product_id":"black-onyx-oval-tumble-brazil","title":"Black Onyx - Oval Tumble","description":"\u003cp\u003e\u003cstrong\u003eLocality:\u003c\/strong\u003e Brazil\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDescription:\u003c\/strong\u003e This Black Onyx Oval Tumble from Brazil is carved into a smooth, symmetrical oval shape, each piece with a deep, inky black lustre. The tumble finish offers a satisfying weight and smooth surface, perfect for carrying in your pocket or display.\u003c\/p\u003e\n\u003cp data-start=\"549\" data-end=\"995\" class=\"\"\u003eBlack onyx is a variety of chalcedony, a cryptocrystalline form of quartz (SiO₂), formed through the slow deposition of silica-rich fluids in cavities within volcanic rock. Brazilian onyx is especially prized for its fine-grained structure, making it ideal for carving and polishing. Black onyx is dyed chalcedony: the chalcedony is dyed to give its even black colour. These oval tumbles bring out the density and elegance of the stone, offering both beauty and durability in a compact form.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eChemical Composition\u003c\/strong\u003e: SiO₂\u003c\/p\u003e\n\n\u003cp class=\"p1\"\u003e\u003cb\u003eApproximate Size of 1 Piece\u003c\/b\u003e: 15mm x 12mm x 6mm\u003cb\u003e\u003cspan\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/b\u003e\u003cb\u003eApproximate Weight of 1 Piece\u003c\/b\u003e: 2g\u003c\/p\u003e\n\u003cp class=\"p1\"\u003e\u003cstrong\u003eQuantity\u003c\/strong\u003e:\u003cstrong\u003e \u003c\/strong\u003e1pc\u003c\/p\u003e\n\u003cp class=\"p1\"\u003e\u003cem\u003eWe do our best to buy quality products- although not every rock is the same. If you choose to purchase the \"staff pick option\", we will select the best of the batch for you. Otherwise, it will be at random from the larger batch we have in stock.\u003c\/em\u003e\u003c\/p\u003e","brand":"Brazil","offers":[{"title":"Standard","offer_id":46673647698090,"sku":null,"price":3.0,"currency_code":"CAD","in_stock":true},{"title":"Staff Pick","offer_id":46673647730858,"sku":null,"price":4.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0601\/7158\/3658\/files\/BlackOnyx-OvalTumble-9.jpg?v=1750207558","url":"https:\/\/rubblerockandgem.com\/de\/products\/black-onyx-oval-tumble-brazil","provider":"Rubble Rock And Gem","version":"1.0","type":"link"}