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

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

   

Fluorite from Hardin County, Illinois

 
Fluorite from Hardin County, Illinois

Photo below under shortwave ultraviolet illumination:
Fluorite from Hardin County, Illinois

DESCRIPTION:No. 31054
Mineral:Fluorite
Locality:Hardin County, Illinois
Description:Octahedral cleavage of pale-purple fluorite with dark inclusions of bitumen, a naturally occurring petroleum. This would make a good sample for a hardness kit (fluorite = 4 on Mohs hardness scale).
Overall Size:30x25x25 mm
Crystals:
Archived: For reference only

 

 

 

 

 

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