{"product_id":"shungite-ring-48-00","title":"Shungite Ring $48.00","description":"\u003cp data-start=\"68\" data-end=\"381\"\u003eThis ring features shungite, a carbon-rich metamorphic rock primarily composed of non-crystalline carbon. Found almost exclusively in Karelia, Russia, shungite is known for its unique structure, which includes fullerenes—molecular carbon structures with hollow, cage-like shapes.\u003c\/p\u003e\n\u003cp data-start=\"383\" data-end=\"392\"\u003eFeatures:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli data-start=\"396\" data-end=\"514\"\u003eComposition: Mostly carbon (up to 98% in elite shungite), with trace amounts of silicates, oxides, and other minerals.\u003c\/li\u003e\n\u003cli data-start=\"518\" data-end=\"629\"\u003eAppearance: Opaque black with a matte to slightly metallic luster; may show natural veining or surface texture.\u003c\/li\u003e\n\u003cli data-start=\"633\" data-end=\"758\"\u003eFormation: Believed to have formed from ancient organic material subjected to intense heat and pressure over geological time.\u003c\/li\u003e\n\u003cli data-start=\"762\" data-end=\"885\"\u003ePhysical Properties: Lightweight and relatively soft (Mohs hardness 3.5–4), with a distinctive dull or semi-metallic sheen.\u003c\/li\u003e\n\u003cli data-start=\"889\" data-end=\"1047\"\u003eEducational Value: Offers a unique example of natural carbon allotropes and is of interest in materials science due to its fullerene content and conductivity.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"1049\" data-end=\"1206\" data-is-last-node=\"\" data-is-only-node=\"\"\u003eA shungite ring highlights a rare and geologically significant form of carbon, making it a conversation piece rooted in natural history and material science.\u003c\/p\u003e","brand":"The Science Museum of Minnesota","offers":[{"title":"6","offer_id":48238885961942,"sku":"J4800","price":48.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0641\/2491\/1830\/files\/01_035e2f9a-7706-4f23-811e-ab00c67a1530.jpg?v=1778441508","url":"https:\/\/threecrows.com.co\/fr\/products\/shungite-ring-48-00","provider":"ThreeCrowsLLP","version":"1.0","type":"link"}