SUPERB HIGHLY FLUORESCENT FLUORITE & GALENA ROGERLEY MINE, CO DURHAM, ENGLAND NR

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Double your traffic. A very fine miniature sized representative of wonderfully transparent deep emerald green cubic fluorite crystals growing with several nice octahedral fluorite crystals from the RogerleyMine, Frosterley, Stanhope, Weardale District, County Durham, England, a locality that is world renown for the fluorescent virtues these great fluorite's possess. This exceptional piece came to us in a large English, Irish and Scottish mineral collection we acquired in early 2012. These have what is know as "daylight fluorescence". The fluorescent attributes are so strong that they will actually change color from an emerald green to a blue-green in sunlight from the fluorescent response from the UV rays of the sun. Under a UV lamp they are stunning with a vibrant neon purple-blue fluorescence (the last photo depicts the fluorescent response under UV light, but the actual response is nicer in person). This classic locality piece measures 4.3 x 3.2 x 2.9 cm in size, weighs 69 grams including the display case, and hosts green fluorite crystals reaching 1.8 cm in maximum diameter and galena crystals reaching 1.1 cm in maximum diameter all growing free of any additional matrix.The specimen comes professionally labeled and mounted in a 6 x 4 x 4 cm rectangular clear plastic European style display case with both our label and the original read more