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Spherocobaltite On Cobaltoan Calcite

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PDM691419

Spherocobaltite On Cobaltoan Calcite

Gem Crystal

Description Tabs

Description
Locality: 
Kambove, Haut-Katanga, DR Congo
Class: 
Crystals on Matrix
Size Range: 
Miniature (4.5-7 cm)
Size: 
4.7 × 4.5 × 3.5 cm
Description

A good locality specimen of magenta red rhombohedral spherocobaltite on pink cobaltoan calcite, on matrix with grey carrollite crystals. Spherocobaltite is rare at the Kambove Mine, and of course very uncommon in collections.

Collected at the Kambove Mine by René Virlet, a Belgian colonist in Congo who travel back definitively to Belgium in 1968.

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 Calcite

Variety Of: 

Calcite

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

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