AllMinerals/JohnBetts-FineMinerals > Online Mineral Museum Photographic Archive > Minerals from England > Fluorite (interpenetrant-twinned)

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Fluorite (interpenetrant-twinned) from Eastgate Quarry, Weardale, County Durham, England

 
Fluorite (interpenetrant-twinned) from Eastgate Quarry, Weardale, County Durham, England

Fluorite (interpenetrant-twinned) from Eastgate Quarry, Weardale, County Durham, England

Photo below under shortwave ultraviolet illumination:
Fluorite (interpenetrant-twinned) from Eastgate Quarry, Weardale, County Durham, England

DESCRIPTION:No. 58105
Mineral:Fluorite (interpenetrant-twinned)
Locality:Eastgate Quarry, Weardale, County Durham, England
Description:Two interpenetrant-twinned transparent green cubic fluorite crystals with microscopic layered growth patterns on some faces. Indoors the fluorite crystals appear green, but appear purple in sunlight because they fluoresce violet under UV illumination. Ex. Robert P. Bates (1926-2008) collection #792
Overall Size:16x13x10 mm
Crystals:10 mm
Status: Sold - Posted here for reference only
Buy similar: Minerals from UK, Iceland, Greenland > Halide Minerals

 

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