{"product_id":"owl-creek-chert-rough","title":"Owl Creek Chert - Rough","description":"\u003cp\u003e\u003cb\u003eOrigin\u003c\/b\u003e: \u003cspan\u003eEdwards Limestone Formation, \u003c\/span\u003esouthern Texas\u003cspan\u003e (Sterling City area), USA\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDescription\u003c\/strong\u003e: This rough Owl Creek Chert was mined from the Edwards Limestone Formation near Sterling City in southern Texas, a region renowned for its high-quality chert and flint deposits. Graded for lapidary use, this material features a captivating mix of translucent and opaque zones, with swirling patterns and layered color variation ranging from smoky grays and creams to earthy browns. Each piece is raw and unworked, offering lapidaries, flintknappers, and collectors a versatile and striking material to shape, cut, or knap.\u003c\/p\u003e\n\u003cp data-start=\"596\" data-end=\"1045\" class=\"\"\u003eFormed over millions of years in ancient marine environments, Owl Creek Chert developed as silica-rich waters slowly replaced carbonate sediments. The result is a dense, fine-grained microcrystalline quartz with excellent durability and conchoidal fracture—making it ideal for tools, cabochons, or ornamental carvings. This particular variety is known for its polishability and structural consistency, making it a favorite among experienced cutters.\u003c\/p\u003e\n\u003cp data-start=\"1047\" data-end=\"1293\" class=\"\"\u003eWhether you're crafting functional pieces, jewelry components, or adding to a geological collection, this lapidary-grade Texas chert delivers both performance and natural beauty, straight from one of North America’s most storied stone formations.\u003c\/p\u003e\n\u003cp class=\"p1\"\u003e\u003cb\u003eChemical Composition\u003c\/b\u003e\u003cspan\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: Translucent\/ Opaque\u003cbr\u003e\u003c\/span\u003e\u003cstrong\u003eInclusions\u003c\/strong\u003e: \u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eApproximate Size of\u003c\/b\u003e\u003cb\u003e 1 pc\u003c\/b\u003e\u003cspan\u003e: mm x mm x mm\u003cbr\u003e\u003c\/span\u003e\u003cstrong\u003eApproximate Weight of 1 pc\u003c\/strong\u003e\u003cspan\u003e: g\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":"Texas, U.S.A.","offers":[{"title":"Gram","offer_id":45208505090218,"sku":"","price":0.07,"currency_code":"CAD","in_stock":true},{"title":"250 grams","offer_id":45208505122986,"sku":"","price":17.5,"currency_code":"CAD","in_stock":false},{"title":"Kilogram","offer_id":45208505155754,"sku":"","price":70.0,"currency_code":"CAD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0601\/7158\/3658\/files\/OwlCreekChert-Rough-3.jpg?v=1777845310","url":"https:\/\/rubblerockandgem.com\/ar\/products\/owl-creek-chert-rough","provider":"Rubble Rock And Gem","version":"1.0","type":"link"}