{"title":"Europe Mineral Specimens","description":"\u003cp\u003eExplore mineral specimens from Europe, representing notable mines, districts, and mineral-producing localities throughout the continent.\u003c\/p\u003e","products":[{"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"},{"product_id":"fluorite-crystal-cluster-on-matrix-rogerley-mine","title":"Fluorite Crystal Cluster on Matrix – Rogerley Mine","description":"\u003ch4\u003eAbout This Specimen\u003c\/h4\u003e\u003cp\u003eThis Rogerley Mine fluorite presents an intergrown cluster of transparent to translucent green crystals across contrasting dark matrix. The overlapping cubic forms range from pale blue-green edges to deeper emerald interiors, while the seller reports the locality’s characteristic daylight fluorescence.\u003c\/p\u003e\u003ch4\u003eSpecimen Details\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMineral \/ Specimen Type:\u003c\/strong\u003e Fluorite crystal cluster on matrix\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 cubic crystals covering part of a dark matrix\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eColor:\u003c\/strong\u003e Emerald to blue-green fluorite with lighter translucent edges on dark brown matrix\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRarity:\u003c\/strong\u003e Uncommon as a locality-specific collector specimen; fluorite as a mineral species is common\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 Toenail\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDimensions:\u003c\/strong\u003e 3.2 × 2.9 × 3.7 cm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecimen Weight:\u003c\/strong\u003e 39.4 g (mineral only)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTotal \/ Display Weight:\u003c\/strong\u003e 87.8 g\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eAbout Fluorite\u003c\/h4\u003e\u003cp\u003eFluorite is a calcium fluoride mineral, CaF₂, that crystallizes in the isometric system and commonly forms cubes. It has a Mohs hardness of 4, vitreous luster, and perfect octahedral cleavage; specimens from the Rogerley Mine are especially collected for their green color and daylight-responsive fluorescence.\u003c\/p\u003e\u003ch4\u003eTraditional \u0026amp; Metaphysical Associations\u003c\/h4\u003e\u003cp\u003eIn crystal traditions, green fluorite is associated with clarity, organization, renewal, and focused intention. Collectors may use it as a contemplative display piece or as a symbolic aid during meditation and personal reflection. \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\u003eThis compact piece offers strong visual contrast between luminous green crystal faces and its dark natural matrix. Its layered cluster architecture, varied translucency, and mounted presentation give it attractive display presence from several viewing angles.\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":53406782685551,"sku":"MT-0082","price":45.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0963\/7563\/6335\/files\/rogerley-green-fluorite-front_0b4e94c0-b708-46b9-94f1-a3f587ad6572.jpg?v=1788232175"}],"url":"https:\/\/mineraltreasury.com\/collections\/europe-mineral-specimens.oembed","provider":"Mineral Treasury","version":"1.0","type":"link"}