AllMinerals/JohnBetts-FineMinerals > Online Mineral Museum Photographic Archive > Minerals from Illinois > Fluorite cleavage

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

   

Fluorite cleavage from Cave-in-Rock District, Hardin County, Illinois

 
Fluorite cleavage from Cave-in-Rock District, Hardin County, Illinois

Photo below under shortwave ultraviolet illumination:
Fluorite cleavage from Cave-in-Rock District, Hardin County, Illinois

DESCRIPTION:No. 20999
Mineral:Fluorite cleavage
Locality:Cave-in-Rock District, Hardin County, Illinois
Description:Cleaved octahedron of translucent fluorite. Color varies from purple to colorless. Several thin zones fluoresce blue-white under UV illumination (hydrocarbon inclusions?). Ex. Robert C. Linck (1905-1970)
Overall Size:4x3x3 cm
Crystals:4 cm
Archived: For reference only

 

 

 

 

 

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