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Kolwezite & Cobaltoan Calcite

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MLS625016

Kolwezite & Cobaltoan Calcite

Rare Mineral

Description Tabs

Description
Locality: 
Mashamba West Mine, Katanga, Democratic Republic of the Congo
Class: 
Combination
Size Range: 
Small miniature (3-4.5 cm)
Size: 
3.6 × 3.3 × 3.1 cm
Description

The best kolwezite specimen i've ever seen,so many best crystallized kolwezite like a carpet on cobaltoan calcite and over a psm (?),the big element in the middle of the specimen is either a psm ore a malachite under the rich kolwezite,or even complete kolwezite.

Mineral Data
What's on the rock

Kolwezite

Formula: 
(Cu,Co)2(CO3)(OH)2
Strunz: 
5.BA.10
Hardness: 
4.0
Type Locality: 
Musonoi Mine, Kolwezi, Kolwezi District, Katanga Copper Crescent, Katanga (Shaba), Democratic Republic of Congo (Zaïre)

Cobaltoan Calcite

Variety Of: 

Calcite

Formula: 
CaCO3
Strunz: 
5.AB.05
Hardness: 
3.0
Formula: 
(Ca,Co)CO3
Hardness: 
0.0

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