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Copper

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MGR734651

Copper

Floater

Description Tabs

Description
Locality: 
Keweenaw, Michigan, United States of America
Class: 
Crystal Group/Cluster
Size Range: 
Cabinet (10-18 cm)
Size: 
12.5 × 4.7 × 3.3 cm
Description

A wonderful assemble of elongated twinned cub-octahedral crystals. Partly it shows a iridiscent layer, which expose colors from red to electric blue. Most of the piece shows this attractive typical dark patina. The piece looks fantastic in each angle and it is absolutely undamaged.

Mineral Data
What's on the rock

Copper

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