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Here is something special that I found while scouring the 2002 Tucson shows for faceting rough. Shown above is a specimen of deep green fluorite from the Rogerley Mine in County Durham, England. At that site a group of mineral miners have obtained the rights to recover this material from a mineralized zone in an old limestone quarry. Besides its unusually deep green color (unusual for fluorite) this fluorite displays a deep blue color that plays over the surface of the green cubes when the specimen is exposed to nothing more than sunlight or a strong artificial white light source! Under ultraviolet light the fluorite is an intense greenish blue. The bluish fluorescence under daylight is most unusual and gives these specimens an erie bluish-green appearance. Shown above is a facet grade piece of Rogerley fluorite that clearly shows the blue daylight fluorescence. Like much green fluorite, the green color will fade upon prolonged (weeks) exposure to strong sunlight. (#M255, Not for sale)

If you would like to see examples of faceted green fluorite from the William Wise Mine (also fluorescent, but not under sunlight), you might wish to visit this web page. In the near future we will be providing fine faceted Rogerley Mine gemstones.