AllMinerals/JohnBetts-FineMinerals > Online Mineral Museum Photographic Archive > Minerals from Illinois > Benstonite over Calcite

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

   

Benstonite over Calcite from Minerva #1 Mine, Cave-in-Rock District, Hardin County, Illinois

 
Benstonite over Calcite from Minerva #1 Mine, Cave-in-Rock District, Hardin County, Illinois

Benstonite over Calcite from Minerva #1 Mine, Cave-in-Rock District, Hardin County, Illinois

Benstonite over Calcite from Minerva #1 Mine, Cave-in-Rock District, Hardin County, Illinois

Benstonite over Calcite from Minerva #1 Mine, Cave-in-Rock District, Hardin County, Illinois

Benstonite over Calcite from Minerva #1 Mine, Cave-in-Rock District, Hardin County, Illinois

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

DESCRIPTION:No. 36384
Mineral:Benstonite over Calcite
Locality:Minerva #1 Mine, Cave-in-Rock District, Hardin County, Illinois
Description:Large plate with a 35 mm scalenohedral calcite crystal completely covered with translucent-to-opaque white rhombohedral benstonite crystals to 5 mm. The benstonite fluoresces white under UV illumination. An excellent specimen for this species.
Overall Size:15x10x4 cm
Crystals:2-7 mm
Archived: For reference only

 

 

 

 

 

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