{"product_id":"tourmaline-on-feldspar","title":"Tourmaline on Feldspar","description":"\u003cp data-start=\"93\" data-end=\"402\"\u003eThis tourmaline formed within granitic pegmatites, where boron-rich fluids crystallized alongside feldspar during the final stages of magma cooling. The Mesa Grande district is a classic Southern California locality, known for producing fine tourmaline associated with feldspar and other pegmatite minerals.\u003c\/p\u003e\n\u003cp data-start=\"404\" data-end=\"593\" data-is-last-node=\"\" data-is-only-node=\"\"\u003eContrasting dark, prismatic tourmaline against light feldspar, this specimen reflects the slow, late-stage processes of pegmatite formation and the rich gem-bearing history of the region.\u003c\/p\u003e","brand":"Mineral Nexus","offers":[{"title":"Default Title","offer_id":43266109538394,"sku":null,"price":200.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0658\/2504\/6618\/files\/MN0328-TourmalineonFeldspar-Cali-_200_10_-Edited.jpg?v=1776978239","url":"https:\/\/themineralnexus.com\/products\/tourmaline-on-feldspar","provider":"Mineral Nexus","version":"1.0","type":"link"}