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Silver & Copper Halfbreed

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ESM738032

Silver & Copper Halfbreed

Description Tabs

Description
Locality: 
Keweenaw, Michigan, United States of America
Class: 
Combination
Size Range: 
Thumbnail (1-3cm)
Size: 
2 × 1.5 × 0.6 cm
Description

A silvery metallic halfbreed nugget

Mineral Data
What's on the rock

Silver

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

Copper

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