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Copper & Silver Halfbreed

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ESM876356

Copper & Silver Halfbreed

Description Tabs

Description
Locality: 
Keweenaw, Michigan, United States of America
Class: 
Crystal Group/Cluster
Size Range: 
Thumbnail (1-3cm)
Size: 
1.5 × 1.5 × 0.5 cm
Description

A rounded copper and silver halfbreed specimen

Mineral Data
What's on the rock

Copper

Formula: 
Cu
Strunz: 
1.AA.05
Crystal System: 
Isometric
Hardness: 
2.5 - 3.0

Silver

Formula: 
Ag
Strunz: 
1.AA.05
Crystal System: 
Isometric
Hardness: 
2.5 - 3.0