{"product_id":"rainbow-copper-necklace","title":"Rainbow Copper Necklace","description":"\u003cp\u003eThis necklace features a pendant made from natural copper with a rainbow patina, highlighting the metal’s ability to oxidize and form colorful surface patterns. Copper’s metallic luster and ductility make it a popular material for jewelry and scientific demonstration.\u003c\/p\u003e\n\u003cp\u003eDetails:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eMaterial: Natural copper with rainbow patina\u003c\/li\u003e\n\u003cli\u003ePendant: Single piece, polished to highlight surface colors\u003c\/li\u003e\n\u003cli\u003eAppearance: Iridescent metallic hues ranging from reds and oranges to blues and purples\u003c\/li\u003e\n\u003cli\u003eFormation of Material: Copper forms in hydrothermal veins or secondary enrichment zones; surface oxidation creates natural rainbow coloration\u003c\/li\u003e\n\u003cli\u003ePhysical Properties: Mohs hardness 2.5–3; metallic luster; malleable and ductile\u003c\/li\u003e\n\u003cli\u003eEducational Value: Demonstrates native metal formation, oxidation processes, and color changes due to surface chemistry\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThis rainbow copper pendant necklace combines geological interest with wearable art, showcasing the natural properties of copper.\u003c\/p\u003e","brand":"The Science Museum of Minnesota","offers":[{"title":"Default Title","offer_id":48238902608086,"sku":"J7999","price":79.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0641\/2491\/1830\/files\/NewStoreSite-BackgroundRemover_13_56be1e81-3376-480e-bbd7-645cc3aa6294.png?v=1778441826","url":"https:\/\/threecrows.com.co\/products\/rainbow-copper-necklace","provider":"ThreeCrowsLLP","version":"1.0","type":"link"}