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Copper & Calcite

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CFL1051826

Copper & Calcite

Description Tabs

Description
Locality: 
Quincy Mine, Hancock, Houghton County, Michigan, United States of America
Class: 
Crystal Group/Cluster
Size Range: 
Miniature (4.5-7 cm)
Size: 
6 × 4.4 × 1.8 cm
Description

Very nice specimen of native copper crystals associated with calcite, some of which is embedded within copper.

Mineral Data
What's on the rock

Copper

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

Calcite

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

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