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Calcite With Copper

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SKI601715

Calcite With Copper

Classic Locality

Description Tabs

Description
Locality: 
Lake Superior, Keweenaw County, Michigan, United States of America
Class: 
Crystals on Matrix
Size Range: 
Small miniature (3-4.5 cm)
Size: 
4 × 3 × 2.3 cm
Description

Nice older specimen with native copper and calcite.

Mineral Data
What's on the rock

Calcite

Polymorph of: 
Formula: 
CaCO3
Strunz: 
5.AB.05
Crystal System: 
Trigonal
Hardness: 
3.0
Streak: 
White

Copper

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

Seller Information

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