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Native Copper & Cuprite With Quartz

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SMS1082151

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Description
Locality: 
Tsumeb Mine, Otavi Highlands, Namibia
Class: 
Crystal Group/Cluster
Size Range: 
Small cabinet (7-10 cm)
Size: 
7.5 × 6.8 × 4.9 cm
Weight: 
223.35gr
Description

A specimen of native copper with a patina and minor cuprite. There is hematite and veins of hematite and there is corroded quartz that is fragmented and trapped likely a matrix residue. The copper is in a nugget form, free form mass with surfaces consisting of small inverse basins. A very attractive specimen in my opinion.

Mineral Data
What's on the rock

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

Quartz

Formula: 
SiO2
Strunz: 
4.DA.05
Crystal System: 
Trigonal
Hardness: 
7.0
Streak: 
White

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