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

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Prehnite and Copper on Calcite from Tamarack Mine, Calumet, Houghton County, Michigan

 
Prehnite and Copper on Calcite from Tamarack Mine, Calumet, Houghton County, Michigan

Prehnite and Copper on Calcite from Tamarack Mine, Calumet, Houghton County, Michigan

DESCRIPTION:No. 18431
Mineral:Prehnite and Copper on Calcite
Locality:Tamarack Mine, Calumet, Houghton County, Michigan
Description:Well crystallized green prehnite in hemispherical crystal aggregates. Nestled in the corners are several crystals of native copper. Very clean, no damage. Good large prehnite crystals with excellent luster - the best I have available from this old mine. From old collection ca. 1890
Overall Size:9x6x3.5 cm
Crystals:1-4 mm
Status: Sold - Posted here for reference only
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