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

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

   

Fluorite coated with Bitumen plus Calcite from Minerva #1 Mine, Cave-in-Rock District, Hardin County, Illinois

 
Fluorite coated with Bitumen plus Calcite from Minerva #1 Mine, Cave-in-Rock District, Hardin County, Illinois

Fluorite coated with Bitumen plus Calcite from Minerva #1 Mine, Cave-in-Rock District, Hardin County, Illinois

Fluorite coated with Bitumen plus Calcite from Minerva #1 Mine, Cave-in-Rock District, Hardin County, Illinois

DESCRIPTION:No. 35601
Mineral:Fluorite coated with Bitumen plus Calcite
Locality:Minerva #1 Mine, Cave-in-Rock District, Hardin County, Illinois
Description:Translucent yellow fluorite crystals up to 34 mm with a thin surface coating of black bitumen (natural petroleum that can be soaked off with solvents). Many elongated calcite crystals up to 30 mm grew after the bitumen was deposited.
Overall Size:8x8x5 cm
Crystals:2-34 mm
Archived: For reference only

 

 

 

 

 

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