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

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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 Chalcopyrite from Cave-in-Rock District, Hardin County, Illinois

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

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

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

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

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

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

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

DESCRIPTION:No. 76942
Mineral:Fluorite with Chalcopyrite
Locality:Cave-in-Rock District, Hardin County, Illinois
Description:Lustrous internally zoned cubic fluorite crystals to 25 mm with scattered yellow-metallic tetrahedral chalcopyrite crystals to 0.5 mm. The fluorite crystals are transparent purple, with yellow core zones that fluoresce orange under LW UV illumination. Collected ca. 1985
Overall Size:4.5x3x3 cm
Crystals:micro to 25 mm
Archived: For reference only

 

 

 

 

 

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