{"product_id":"black-tourmaline-schorl-in-quartz-mica-425-g","title":"Black Tourmaline (Schorl) in Quartz \u0026 Mica — 425 g","description":"\u003cp\u003eA dramatic natural specimen of black tourmaline (schorl) held within a pale quartz-and-mica matrix. Dark, striated tourmaline contrasts with silvery, glass-bright mineral surfaces, giving the piece a rugged architectural presence from every angle.\u003c\/p\u003e\n\u003cp\u003eAt approximately 425 g and 7.5 cm across, this substantial one-of-one specimen is well suited to a cabinet, study, or natural-history display. The photographed piece is the exact specimen you will receive.\u003c\/p\u003e\n\u003cp\u003eSPECIMEN DETAILS\u003cbr\u003e• Mineral: Black tourmaline (schorl) in quartz-and-mica matrix\u003cbr\u003e• Weight: 425 g\u003cbr\u003e• Approximate width: 7.5 cm\u003cbr\u003e• Finish: Natural, unpolished specimen\u003cbr\u003e• Quantity: One unique specimen\u003c\/p\u003e\n\u003cp\u003eGEOLOGICAL NOTE\u003cbr\u003eSchorl is the iron-rich, typically black member of the tourmaline group. It commonly forms in granitic pegmatites, where slow cooling allows tourmaline to crystallise alongside quartz, mica and feldspar. Its distinctive longitudinal striations and deep black lustre make it one of the most recognisable collector minerals.\u003c\/p\u003e\n\u003cp\u003ePlease note: natural fractures, irregular surfaces and mineral inclusions are part of the specimen’s geological character. Colour may vary slightly between screens.\u003c\/p\u003e","brand":"Deep Time Atelier","offers":[{"title":"Default Title","offer_id":48837871599841,"sku":"DTA-000024","price":79.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0841\/7892\/7841\/files\/01-hero.png?v=1785687166","url":"https:\/\/deeptimeatelier.com\/products\/black-tourmaline-schorl-in-quartz-mica-425-g","provider":"Deep Time Atelier","version":"1.0","type":"link"}