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Spherocobaltite On Cobaltoan Dolomite

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WND824379

Spherocobaltite On Cobaltoan Dolomite

Rare Mineral
Classic Locality

Description Tabs

Description
Locality: 
Musonoi Mine, Kolwezi, Lualaba, DR Congo
Class: 
Crystals on Matrix
Size Range: 
Miniature (4.5-7 cm)
Size: 
5.8 × 5.3 × 3.7 cm
Description

This is a fine and colourful specimen of rare cobaltoan-carbonate Spherocobaltite nicely scattered over a matrix covered with sharp and pale pink rhombs of Cobaltoan Dolomite. Both species are well developed, the crystals are sharp and lustrous. The center of this gorgeous specimen is pristine, so far there are imperfections, they are at the periphery. This is a top specimen especially for that size.

Mineral Data
What's on the rock

Spherocobaltite

Formula: 
CoCO3
Strunz: 
5.AB.05
Hardness: 
3.0 - 4.0
Type Locality: 
Daniel Mine (St. Daniel Mine), Neustädtel, Schneeberg District, Erzgebirge, Saxony, Germany

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
Wendel Minerals

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