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

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

   

Fluorite with Bitumen from Cave-in-Rock District, Hardin County, Illinois

 
Fluorite with Bitumen from Cave-in-Rock District, Hardin County, Illinois

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

DESCRIPTION:No. 34380
Mineral:Fluorite with Bitumen
Locality:Cave-in-Rock District, Hardin County, Illinois
Description:Cubic crystal of transparent fluorite with blue-purple color with areas of black bitumen (naturally occurring petroleum) coating. The bitumen can be removed by soaking in solvents. Scattered damage throughout.
Overall Size:6x5x4.5 cm
Crystals:2.5-5 cm
Archived: For reference only

 

 

 

 

 

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