AllMinerals/JohnBetts-FineMinerals > Online Mineral Museum Photographic Archive > Minerals from Illinois > Fluorite, Calcite 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, Calcite Bitumen from Minerva #1 Mine, Cave-in-Rock District, Hardin County, Illinois

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

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

Photo below under shortwave ultraviolet illumination:
Fluorite, Calcite Bitumen from Minerva #1 Mine, Cave-in-Rock District, Hardin County, Illinois

DESCRIPTION:No. 34256
Mineral:Fluorite, Calcite Bitumen
Locality:Minerva #1 Mine, Cave-in-Rock District, Hardin County, Illinois
Description:Translucent yellow fluorite crystals up to 40 mm with scattered white calcite crystals to 4 mm. Some of the fluorite has black bitumen (petroleum) coating and internal inclusions (fluorescent). Second generation blue fluorite is on some edges. Chipped.
Overall Size:14x11x8 cm
Crystals:1-40 mm
Archived: For reference only

 

 

 

 

 

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