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Silver & Copper On Cuprite

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NBM688660

Silver & Copper On Cuprite

Classic Locality

Description Tabs

Description
Locality: 
Poteryaevskoe Mine, Rubtsovskoe, Rudnyi Altai, Altai Krai, Russian Federation
Class: 
Crystal Group/Cluster
Size Range: 
Small miniature (3-4.5 cm)
Size: 
4 × 4 × 3 cm
Largest Crystal: 
1.50cm
Weight: 
110.00gr
Description

Composed of several dozens of crystals, this specimen is composed of sharp octahedrons of dark red cuprite, up to 1.2 cm in length. The piece is richly associated with felt-like mats of native silver, in small dendritic crystals growing amongst the cuprite crevasses (a highly unusual association)and copper on top.

Mineral Data
What's on the rock

Silver

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

Copper

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

Cuprite

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

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