{"product_id":"benitoite-with-neptunite-natrolite","title":"Benitoite with Neptunite \u0026 Natrolite","description":"\u003cp\u003e\u003cstrong\u003eBenitoite with Neptunite \u0026amp; Natrolite — Dallas Mine (California State Gem Mine), San Benito County, California, USA\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThis rare association formed in a highly unusual alkaline hydrothermal system hosted in serpentinite, where barium- and titanium-rich fluids crystallized vivid blue benitoite alongside black neptunite and white natrolite. The Dallas Mine—also known as the California State Gem Mine—is the world-famous type locality for benitoite, a mineral found in gem-quality form in only this region. (\u003ca href=\"https:\/\/fineartminerals.com\/benitoite\/benitoite-neptunite-usa\/?utm_source=chatgpt.com\" title=\"Benitoite with Neptunite - BNT-03 - USA Mineral Specimen\"\u003eFine Art Minerals\u003c\/a\u003e)\u003c\/p\u003e\n\u003cp\u003eSharp, sapphire-blue benitoite crystals sit in striking contrast against snowy natrolite, while elongated black neptunite adds depth and structure to the matrix. This combination reflects multiple stages of mineral deposition within a uniquely rare geologic environment found almost nowhere else on Earth. (\u003ca href=\"https:\/\/www.quebulfineminerals.com\/en\/minerals\/item\/20715?utm_source=chatgpt.com\" title=\"Quebul Fine Minerals \/ gemmy BENITOITE, NEPTUNITE, NATROLITE\"\u003eQuebul Fine Minerals\u003c\/a\u003e)\u003c\/p\u003e\n\u003cp\u003eIconic and highly collectible, this specimen represents one of the most distinctive mineral assemblages in American mineralogy—instantly recognizable and deeply tied to California’s geological identity. ✨\u003c\/p\u003e","brand":"Mineral Nexus","offers":[{"title":"Default Title","offer_id":43336376254554,"sku":null,"price":125.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0658\/2504\/6618\/files\/MN0349-BenitoitewithNeptunite_Natrolite-California-_125_7_-Edited.jpg?v=1778269639","url":"https:\/\/themineralnexus.com\/products\/benitoite-with-neptunite-natrolite","provider":"Mineral Nexus","version":"1.0","type":"link"}