{"product_id":"untitled-oct15_11-28-27","title":"Michigan Native Copper from Isle Royale","description":"\u003cstyle\u003e\na {\n    text-decoration: none;\n    color: #464feb;\n}\ntr th, tr td {\n    border: 1px solid #e6e6e6;\n}\ntr th {\n    background-color: #f5f5f5;\n}\n\u003c\/style\u003e\n\u003cdiv\u003e\n\u003cp\u003eNative copper from Isle Royale, located in Lake Superior, Michigan, is naturally occurring \u003cstrong\u003emetallic copper found in a nearly pure state\u003c\/strong\u003e, rather than copper that must first be smelted from an ore. Copper occurs within the island's ancient volcanic rocks, including in veins and cavities associated with the Portage Lake Volcanics. \u003c\/p\u003e\n\u003cp\u003eSpecimens can display a rich \u003cstrong\u003ecopper-red to reddish-brown metallic color\u003c\/strong\u003e when fresh, often developing darker brown, black, or green oxidation on exposed surfaces. Isle Royale copper is particularly significant because Indigenous peoples mined and worked native copper on the island thousands of years ago. Archaeological evidence includes ancient mining pits, hammerstones, and charcoal associated with copper extraction. \u003c\/p\u003e\n\u003c\/div\u003e","brand":"SchollyRocks","offers":[{"title":"Default Title","offer_id":45066656317491,"sku":null,"price":20.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0640\/8883\/4099\/files\/rn-image_picker_lib_temp_2e54831b-6024-483d-a1ba-6e76739f8ac4.jpg?v=1792089337","url":"https:\/\/schollyrocks.com\/products\/untitled-oct15_11-28-27","provider":"SchollyRocks","version":"1.0","type":"link"}