{"product_id":"opal-necklace","title":"Opal Necklace","description":"\u003cp data-start=\"0\" data-end=\"311\"\u003eThis sterling silver necklace features a polished opal, showcasing its characteristic play-of-color and iridescent patterns. Opal is a hydrated silica mineral (SiO₂·nH₂O) with a unique internal structure that diffracts light to create its vibrant color flashes.\u003c\/p\u003e\n\u003cp data-start=\"313\" data-end=\"323\"\u003eDetails:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli data-start=\"326\" data-end=\"399\"\u003eMaterial: Sterling silver with natural opal\u003c\/li\u003e\n\u003cli data-start=\"402\" data-end=\"470\"\u003eAppearance: Iridescent stone displaying flashes of multiple colors\u003c\/li\u003e\n\u003cli data-start=\"473\" data-end=\"612\"\u003eFormation: Opal forms from silica-rich solutions deposited in cavities and fractures of rocks, with water content affecting its structure\u003c\/li\u003e\n\u003cli data-start=\"615\" data-end=\"691\"\u003ePhysical Properties: Mohs hardness 5.5–6.5; vitreous to subvitreous luster\u003c\/li\u003e\n\u003cli data-start=\"694\" data-end=\"800\"\u003eEducational Value: Demonstrates mineral formation, silica deposition, and light diffraction in gemstones\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"802\" data-end=\"946\" data-is-last-node=\"\" data-is-only-node=\"\"\u003eThis sterling silver opal necklace combines geological wonder with elegant design, making it both a striking accessory and an educational piece.\u003c\/p\u003e","brand":"The Science Museum of Minnesota","offers":[{"title":"Default Title","offer_id":48238887207126,"sku":"J12500","price":125.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0641\/2491\/1830\/files\/NewStoreSite-BackgroundRemover_7ae53dae-235d-42d0-bb70-1c68c2a564ba.png?v=1778441515","url":"https:\/\/threecrows.com.co\/fr\/products\/opal-necklace","provider":"ThreeCrowsLLP","version":"1.0","type":"link"}