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

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

   

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

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

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

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

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

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

DESCRIPTION:No. 51487
Mineral:Calcite on Fluorite
Locality:Minerva #1 Mine, Cave-in-Rock District, Hardin County, Illinois
Description:Rounded formation of many transparent orange-brown doubly-terminated scalenohedral calcite crystals to 10 mm that formed over a core of purple fluorite. The calcite crystals fluoresce faint orange under UV illumination. Ex. Larry Krause (1945-2010) collection
Overall Size:7x6x3 cm
Crystals:5-10 mm
Archived: For reference only

 

 

 

 

 

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