AllMinerals/JohnBetts-FineMinerals > Online Mineral Museum Photographic Archive > Minerals from Michigan > Copper, Prehnite, Calcite

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

   

Copper, Prehnite, Calcite from Keweenaw Peninsula Copper District, Michigan

 
Copper, Prehnite, Calcite from Keweenaw Peninsula Copper District, Michigan

Copper, Prehnite, Calcite from Keweenaw Peninsula Copper District, Michigan

Copper, Prehnite, Calcite from Keweenaw Peninsula Copper District, Michigan

DESCRIPTION:No. 36499
Mineral:Copper, Prehnite, Calcite
Locality:Keweenaw Peninsula Copper District, Michigan
Description:Translucent green prehnite is spherical crystal aggregates up to 11 mm diameter with dark native copper crystals up to 2 mm and transparent colorless calcite crystals up to 5 mm. Ex. J. Cilen (1916-1997) #8651
Overall Size:8x5x4 cm
Crystals:1-5 mm
Archived: For reference only

 

 

 

 

 

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