{"product_id":"pinolith-3-00","title":"Pinolith $3.00","description":"\u003cp data-start=\"87\" data-end=\"399\"\u003eTumbled pinoliths are polished stones composed primarily of magnesite (MgCO₃), dolomite, and graphite. They are named for their distinctive white, pine-nut-shaped magnesite crystals set within a dark gray to black matrix, giving them a unique and recognizable appearance.\u003c\/p\u003e\n\u003cp data-start=\"401\" data-end=\"414\"\u003e\u003cstrong data-start=\"401\" data-end=\"414\"\u003eFeatures:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"416\" data-end=\"1324\"\u003e\n\u003cli data-start=\"416\" data-end=\"574\"\u003e\n\u003cp data-start=\"418\" data-end=\"574\"\u003e\u003cstrong data-start=\"418\" data-end=\"434\"\u003eComposition:\u003c\/strong\u003e Primarily magnesite, with dolomite and graphite. The magnesite forms as elongated, lens-shaped crystals that create the “pine nut” texture.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"576\" data-end=\"769\"\u003e\n\u003cp data-start=\"578\" data-end=\"769\"\u003e\u003cstrong data-start=\"578\" data-end=\"593\"\u003eAppearance:\u003c\/strong\u003e White to grayish-white inclusions contrast sharply with the dark background, often creating a marbled or fibrous texture. The tumbled finish brings out this dramatic contrast.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"771\" data-end=\"928\"\u003e\n\u003cp data-start=\"773\" data-end=\"928\"\u003e\u003cstrong data-start=\"773\" data-end=\"787\"\u003eFormation:\u003c\/strong\u003e Found in metamorphic environments where magnesium-rich fluids interact with carbonate rocks. Pinolith is most famously sourced from Austria.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"930\" data-end=\"1106\"\u003e\n\u003cp data-start=\"932\" data-end=\"1106\"\u003e\u003cstrong data-start=\"932\" data-end=\"956\"\u003ePhysical Properties:\u003c\/strong\u003e Relatively soft (Mohs hardness of 3.5–4.5), with a smooth, silky polish when tumbled. Composed of carbonate minerals, making them sensitive to acids.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1108\" data-end=\"1324\"\u003e\n\u003cp data-start=\"1110\" data-end=\"1324\"\u003e\u003cstrong data-start=\"1110\" data-end=\"1132\"\u003eEducational Value:\u003c\/strong\u003e Useful for studying mineral assemblages, carbonate rock textures, and crystal habit. Their unusual appearance also makes them helpful in discussions of mineral identification and rock origin.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"1326\" data-end=\"1474\"\u003eTumbled pinoliths are excellent additions to geology collections and educational settings, offering both visual appeal and mineralogical complexity.\u003c\/p\u003e","brand":"The Science Museum of Minnesota","offers":[{"title":"Default Title","offer_id":47750013780182,"sku":"R300","price":3.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0641\/2491\/1830\/files\/Pinolith.webp?v=1769021895","url":"https:\/\/threecrows.com.co\/de\/products\/pinolith-3-00","provider":"ThreeCrowsLLP","version":"1.0","type":"link"}