description: <p style="text-align: justify;">LOCALITY: Rogerley Mine, County Durham, England <br /><br />5 1/2" Across <br /><br />This piece was acquired from Cal Graeber via a trade in late 2014. Like most Rogerley Mine fluorite specimens, this one displays daytime fluorescence. When exposed the ultraviolet radiation in daylight, the green crystals develop distinctive neon purple halos around them. <br /><br />Photo by Matthew Webb of Melbourne, Victoria, Australia</p>
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