|AllMinerals/JohnBetts-FineMinerals > Online Mineral Museum Photographic Archive > Minerals from England > Fluorite (interpenetrant twinned crystals)
|Fluorite (interpenetrant twinned crystals)
|Weardale, Durham, England
|Transparent green cubic fluorite crystals on vuggy brown matrix. The fluorite crystals are interpenetrant twinned with smooth faces that have visible growth-patterns resembling stepped layers. The fluorite fluoresces violet under UV illumination. Ex. Chas. W. Velte Jr. (1914-1987)
|For reference only
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