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Calcite With Native Copper

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QRI928894

Calcite With Native Copper

Ex coll. Burger (CH)
Classic Locality

Description Tabs

Description
Locality: 
Keweenaw, Michigan, United States of America
Class: 
Crystals on Matrix
Size Range: 
Small miniature (3-4.5 cm)
Size: 
4 × 3 × 2.8 cm
Largest Crystal: 
0.60cm
Weight: 
29.00gr
Description

A miniature of rounded pink calcite, which features native copper inclusions. Moderate lustre.
This is a very old specimen from the Burger collection (CH), which dates back to the 1950s and was relabelled in modern times. Most likely much older than that!

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

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