AllMinerals/JohnBetts-FineMinerals > Online Mineral Museum Photographic Archive > Minerals from Illinois > Alstonite over Fluorite

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Alstonite over Fluorite from Minerva #1 Mine, Cave-in-Rock District, Hardin County, Illinois

 
Alstonite over Fluorite from Minerva #1 Mine, Cave-in-Rock District, Hardin County, Illinois

Alstonite over Fluorite from Minerva #1 Mine, Cave-in-Rock District, Hardin County, Illinois

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

DESCRIPTION:No. 39024
Mineral:Alstonite over Fluorite
Locality:Minerva #1 Mine, Cave-in-Rock District, Hardin County, Illinois
Description:Rich coating of white alstonite crystals up to 1 mm over translucent blue fluorite. The alstonite fluoresces dim yellow-white under UV illumination.
Overall Size:4x2.5x2 cm
Crystals:0.2-1.0 mm
Archived: For reference only

 

 

 

 

 

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