{"product_id":"obsidian-black-rough","title":"Obsidian (Black) - Rough","description":"\u003cp\u003e\u003cb\u003eOrigin\u003c\/b\u003e: Burns, Oregon, U.S.A.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDescription\u003c\/strong\u003e: Black Obsidian is a natural volcanic glass formed from rapidly cooled lava, admired for its jet-black color and sharp, glassy appearance. This\u003cstrong\u003e \u003c\/strong\u003erough material from Burns, Oregon showcases the classic characteristics of obsidian, with conchoidal fracture surfaces that glisten under light and edges that reveal its volcanic origins. With a Mohs hardness of \u003cstrong data-start=\"459\" data-end=\"468\"\u003e5–5.5\u003c\/strong\u003e, obsidian is softer than crystalline quartz but durable enough for cutting, carving, or tumbling. In lapidary work, it produces smooth, mirror-like finishes that highlight its intense depth of color.\u003c\/p\u003e\n\u003cp data-start=\"672\" data-end=\"1157\"\u003eThe Burns region of Oregon is known for producing high-quality obsidian, making it a favorite among lapidary artists and collectors. In its rough state, each piece carries the raw energy of its volcanic formation, while worked material transforms into sleek cabochons, beads, or decorative objects. Whether left natural or polished to a glassy sheen, this obsidian offers both geological intrigue and artistic potential, embodying the dramatic beauty of Oregon’s volcanic landscapes.\u003c\/p\u003e\n\u003cp data-start=\"672\" data-end=\"1157\"\u003e\u003ca href=\"https:\/\/youtu.be\/LEQQwKatQIw?si=AFJAUO4PfXb4gVTS\"\u003e\u003cstrong\u003eWatch How This Was Mined Here!\u003c\/strong\u003e\u003c\/a\u003e\u003c\/p\u003e\n\u003cp class=\"p1\"\u003e\u003cb\u003eChemical Composition\u003c\/b\u003e\u003cspan\u003e: SiO\u003cstrong data-start=\"1194\" data-end=\"1202\"\u003e₂\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eGrade\u003c\/strong\u003e: Lapidary Grade\u003cbr\u003e\u003c\/span\u003e\u003cspan\u003e\u003cstrong\u003eAppearance\u003c\/strong\u003e: Opaque\u003cbr\u003e\u003c\/span\u003e\u003cstrong\u003eInclusions\u003c\/strong\u003e: Minimal\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eApproximate Size of\u003c\/b\u003e\u003cb\u003e 1 pc\u003c\/b\u003e\u003cspan\u003e: 100mm x 80mm x 40mm\u003cbr\u003e\u003c\/span\u003e\u003cstrong\u003eApproximate Weight of 1 pc\u003c\/strong\u003e\u003cspan\u003e: 360g\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"p1\"\u003e\u003ci\u003e\u003cspan\u003eRough is rough. We do our best to grade and describe pieces in the lot, but ultimately, they all differ.\u003c\/span\u003e\u003c\/i\u003e\u003c\/p\u003e","brand":"Oregon, U.S.A.","offers":[{"title":"Gram","offer_id":45208485331114,"sku":"","price":0.05,"currency_code":"CAD","in_stock":true},{"title":"250 grams","offer_id":45208485363882,"sku":"","price":12.5,"currency_code":"CAD","in_stock":true},{"title":"Kilogram","offer_id":45208485396650,"sku":"","price":50.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0601\/7158\/3658\/files\/Obsidian_Black_-_Rough-4.jpg?v=1777514215","url":"https:\/\/rubblerockandgem.com\/it\/products\/obsidian-black-rough","provider":"Rubble Rock And Gem","version":"1.0","type":"link"}