AllMinerals/JohnBetts-FineMinerals > Online Mineral Museum Photographic Archive > Minerals from Illinois > Fluorite (optical grade)

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

   

Fluorite (optical grade) from Cave-in-Rock District, Hardin County, Illinois

 
Fluorite (optical grade) from Cave-in-Rock District, Hardin County, Illinois

Photo below under shortwave ultraviolet illumination:
Fluorite (optical grade) from Cave-in-Rock District, Hardin County, Illinois

DESCRIPTION:No. 19389
Mineral:Fluorite (optical grade)
Locality:Cave-in-Rock District, Hardin County, Illinois
Description:Cleavage of translucent to transparent, yellow fluorite. There is a milky phantom zone internally, but two large area (2-3 cm) are optically clear and top-quality yellow color. Good cutting rough for advanced lapidaries. Ex. Ben Clement
Overall Size:6x6x5 cm
Crystals:5 cm
Archived: For reference only

 

 

 

 

 

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