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Native Copper On Cobaltoan Dolomite

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PDM712014

Native Copper On Cobaltoan Dolomite

Description Tabs

Description
Locality: 
Mashamba West Mine, Kolwezi, Lualaba, DR Congo
Class: 
Crystals on Matrix
Size Range: 
Cabinet (10-18 cm)
Size: 
10.7 × 7.8 × 3.2 cm
Description

Lustrous arborescent growth of crystallized native copper filling pockets on a dolomite matrix of good size, covered by pink crystals of cobaltoan dolomite.

Ex. Johann Muizebelt specimen.

Mineral Data
What's on the rock

Copper

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

Cobaltoan Dolomite

Variety Of: 

Dolomite

Formula: 
CaMg(CO3)2
Strunz: 
5.AB.10
Hardness: 
3.5 - 4.0
Formula: 
(Ca,Mg,Co)CO3
Hardness: 
0.0

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