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

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

   

Copper on Prehnite from Iroquois Mine, 3.5 km northeast of Ahmeek, Keweenaw County, Michigan

 
Copper on Prehnite from Iroquois Mine, 3.5 km northeast of Ahmeek, Keweenaw County, Michigan

Copper on Prehnite from Iroquois Mine, 3.5 km northeast of Ahmeek, Keweenaw County, Michigan

Copper on Prehnite from Iroquois Mine, 3.5 km northeast of Ahmeek, Keweenaw County, Michigan

Copper on Prehnite from Iroquois Mine, 3.5 km northeast of Ahmeek, Keweenaw County, Michigan

DESCRIPTION:No. 73993
Mineral:Copper on Prehnite
Locality:Iroquois Mine, 3.5 km northeast of Ahmeek, Keweenaw County, Michigan
Description:Distinct individual dark native copper crystals (naturally occurring copper crystals) to 1 mm on lustrous translucent green prehnite crystals to 2 mm. The native copper crystals have a natural patina. Collected ca. 1980
Overall Size:5.5x3x3 cm
Crystals:0.5-2.0 mm
Archived: For reference only

 

 

 

 

 

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