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Copper & Chalcotrichite

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MGR773638

Copper & Chalcotrichite

Classic Locality

Description Tabs

Description
Locality: 
Ray Mine, Pinal County, Arizona, United States of America
Class: 
Combination
Size Range: 
Miniature (4.5-7 cm)
Size: 
5 × 2 × 2.7 cm
Description

This is really a rarity - several inter-grown copper crystals formed a very sculptural assemble, they are all covered with a thin layer of chalcotrichite. A rare and uncommon sample from this well known classic locality. Developed as floater, no significant damages to report.

Mineral Data
What's on the rock

Copper

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

Chalcotrichite

Variety Of: 

Cuprite

Formula: 
Cu2O
Strunz: 
4.AA.10
Hardness: 
3.5 - 4.0
Formula: 
Cu2O
Crystal System: 
Isometric
Hardness: 
3.5 - 4.0
Colour: 
Red