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

   

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

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

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

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

DESCRIPTION:No. 39727
Mineral:Benstonite on Fluorite with Bitumen
Locality:Cave-in-Rock District, Hardin County, Illinois
Description:Rhombohedral white benstonite crystals up to 4 mm on translucent cubic yellow fluorite crystals up to 20 mm across with remnants of black bitumen (natural petroleum) in crevices of the fluorite.
Overall Size:7x5x2.5 cm
Crystals:1-20 mm
Archived: For reference only

 

 

 

 

 

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