{"product_id":"fluorite-crystal-cluster-rogerley-mine-england","title":"Fluorite Crystal Cluster – Rogerley Mine, England","description":"\u003ch4\u003eAbout This Specimen\u003c\/h4\u003e\u003cp\u003eThis Rogerley Mine fluorite features a dense cluster of translucent green crystals across a contrasting dark brown matrix. Under UV-rich illumination, the crystals display the vivid blue-violet to purple fluorescence for which fluorite from this classic Weardale locality is especially prized.\u003c\/p\u003e\u003ch4\u003eSpecimen Details\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMineral \/ Specimen Type:\u003c\/strong\u003e Fluorite mineral specimen\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLocality:\u003c\/strong\u003e The Rogerley Mine, Frosterley, Weardale, County Durham, England\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eForm \u0026amp; Structure:\u003c\/strong\u003e Intergrown, modified cubic fluorite crystals on matrix\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eColor:\u003c\/strong\u003e Pale mint to deep emerald green in normal light, with dark green internal zones and a blue-violet to intense purple fluorescent response under UV-rich illumination\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRarity:\u003c\/strong\u003e Uncommon as a locality specimen; fluorite is common as a species, while attractive fluorescent green examples from Rogerley are particularly collectible\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMohs Hardness:\u003c\/strong\u003e 4\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLuster:\u003c\/strong\u003e Vitreous\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eChemical Formula:\u003c\/strong\u003e CaF₂\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecimen Size:\u003c\/strong\u003e Miniature\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDimensions:\u003c\/strong\u003e 3.8 × 1.7 × 4.7 cm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecimen Weight:\u003c\/strong\u003e 34.9 g (mineral only)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTotal \/ Display Weight:\u003c\/strong\u003e 84.3 g\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eAbout Fluorite\u003c\/h4\u003e\u003cp\u003eFluorite is a cubic calcium fluoride mineral known for its broad range of colors, vitreous luster, perfect octahedral cleavage, and Mohs hardness of 4. Fluorescence varies between deposits and individual specimens; Rogerley fluorite is celebrated for green crystals that can show a striking blue-violet or purple response when exposed to the ultraviolet component of strong daylight or another suitable UV source.\u003c\/p\u003e\u003ch4\u003eTraditional \u0026amp; Metaphysical Associations\u003c\/h4\u003e\u003cp\u003eIn modern crystal traditions, green fluorite is associated with clarity, organization, renewal, and focused intention. Collectors may use it as a meditation object or as a visually engaging reminder of balance and purposeful thought. \u003cem\u003eMetaphysical properties are based on traditional beliefs and are provided for cultural and informational purposes; they are not scientifically established or intended as medical advice.\u003c\/em\u003e\u003c\/p\u003e\u003ch4\u003eWhy This Specimen?\u003c\/h4\u003e\u003cp\u003eThe upright matrix presents a rich crystal-covered face with strong contrast between glossy green fluorite and earthy brown host rock. Its dramatic change to luminous blue-violet under suitable illumination adds an interactive display feature to this compact specimen.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eExact specimen pictured.\u003c\/strong\u003e You will receive the exact specimen shown in the photographs.\u003c\/p\u003e","brand":"Mineral Treasury","offers":[{"title":"Default Title","offer_id":53405780607343,"sku":"MT-0079","price":65.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0963\/7563\/6335\/files\/rogerley-green-fluorite-front.jpg?v=1788198349","url":"https:\/\/mineraltreasury.com\/products\/fluorite-crystal-cluster-rogerley-mine-england","provider":"Mineral Treasury","version":"1.0","type":"link"}