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Kolwezite & Cobaltoan Calcite

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SYA871979

Kolwezite & Cobaltoan Calcite

Type Locality

Description Tabs

Description
Locality: 
Mashamba West Mine, Kolwezi, Lualaba, DR Congo
Class: 
Crystals on Matrix
Size Range: 
Miniature (4.5-7 cm)
Size: 
6 × 4.5 × 4 cm
Description

Green-beige botryoidal kolwezite on lustrous clear light pink cobaltoan calcite crystals and black heterogenite

Nice old-time specimen from Dr. Josef Lhoest collection - in excellent condition.

 

 

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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