{"product_id":"natural-rainbow-obsidian-42-42-carat-geometric-pentagon-cabochon","title":"Natural Rainbow Obsidian – 42.42 Carat","description":"\u003cp\u003e\u003cspan\u003eDiscover the captivating beauty of natural rainbow obsidian, a volcanic glass prized for its hidden iridescent colors and distinctive patterns.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThis striking 42.42-carat gemstone features an unusual pentagon shape with a beautifully sculpted, faceted pyramid-style dome. Its deep black surface reveals subtle flashes of emerald green, violet purple, and blue as light moves across its polished facets.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe geometric design creates an intriguing interplay of light and shadow, giving this gemstone a bold, architectural appearance.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eUnlike traditional rounded cabochons, this stone’s angular silhouette and raised facets make it particularly appealing for contemporary jewelry designs and one-of-a-kind artisan creations.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eGemstone Details\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cspan\u003eGemstone:\u003c\/span\u003e\u003cspan\u003e Natural Rainbow Obsidian\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eOrigin:\u003c\/span\u003e\u003cspan\u003e Not independently verified\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eWeight:\u003c\/span\u003e\u003cspan\u003e 42.42 carats\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eHeight:\u003c\/span\u003e\u003cspan\u003e 28.24 mm\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eWidth:\u003c\/span\u003e\u003cspan\u003e 29.90 mm\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eDepth:\u003c\/span\u003e\u003cspan\u003e 12.20 mm\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eShape:\u003c\/span\u003e\u003cspan\u003e Pentagon \/ Five-Sided Geometric\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eCut:\u003c\/span\u003e\u003cspan\u003e Faceted Pyramid-Style Cabochon\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eBase Color:\u003c\/span\u003e\u003cspan\u003e Deep Black\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eIridescence:\u003c\/span\u003e\u003cspan\u003e Green, Purple, and Subtle Blue\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eFinish:\u003c\/span\u003e\u003cspan\u003e Polished\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eBack:\u003c\/span\u003e\u003cspan\u003e Flat\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eCondition:\u003c\/span\u003e\u003cspan\u003e Loose, Undrilled Gemstone\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eA Unique Expression of Nature\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eRainbow obsidian forms when volcanic lava cools rapidly, creating natural volcanic glass. Microscopic internal structures interact with light to produce the beautiful iridescent colors for which this material is known.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe combination of its substantial 42.42-carat weight, unusual five-sided shape, and geometric faceting gives this gemstone a distinctive presence.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eIdeal For:\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eCustom statement pendants\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eContemporary jewelry designs\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eArtisan wire wrapping\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eBespoke silver or gold settings\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eGemstone and mineral collections\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eYou will receive the exact gemstone shown in the original photographs.\u003c\/span\u003e\u003c\/p\u003e","brand":"Once Upon a Stone","offers":[{"title":"Default Title","offer_id":68054173614449,"sku":null,"price":0.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1087\/9945\/9697\/files\/CEDD2BC2-0F50-4E74-8FC5-0093D7B5E189.png?v=1793325565","url":"https:\/\/onceuponastone.shop\/products\/natural-rainbow-obsidian-42-42-carat-geometric-pentagon-cabochon","provider":"Once Upon a Stone","version":"1.0","type":"link"}