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

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Online Mineral Museum Archive of Mineral Photographs and Mineral Descriptions from John Betts - Fine Minerals.com and Allminerals.com

   

Fluorite (twinned crystals) from Heights Mine, Westgate, Weardale District, County Durham, England

 
Fluorite (twinned crystals) from Heights Mine, Westgate, Weardale District, County Durham, England

Fluorite (twinned crystals) from Heights Mine, Westgate, Weardale District, County Durham, England

Photo below under shortwave ultraviolet illumination:
Fluorite (twinned crystals) from Heights Mine, Westgate, Weardale District, County Durham, England

DESCRIPTION:No. 25071
Mineral:Fluorite (twinned crystals)
Locality:Heights Mine, Westgate, Weardale District, County Durham, England
Description:Large cubic fluorite crystals exhibiting classic penetration twinning. The fluorite is a purplish-gray color, has silky surface luster and internally translucent. Fluoresces violet under UV illumination. Scattered damage throughout. Ex. Phillip Greybill (1935-2018) collection
Overall Size:9x7x6 cm
Crystals:20-52 mm
Archived: For reference only

 

 

 

 

 

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