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Cobaltomenite & Chalcomenite

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SCH62602

Cobaltomenite & Chalcomenite

Description Tabs

Description
Locality: 
El Dragón Mine, Quijarro Province, Potosi Department, Bolivia
Size Range: 
Micromount (under 1cm)
Size: 
0.8 × 0.6 × 0.4 cm
Description

Vivid pink microcrystals of cobaltomenite on selenium ore with blue chalcomenite crystals.

Mineral Data
What's on the rock

Cobaltomenite

Formula: 
CoSeO3·2H2O
Strunz: 
4.JH.10
Crystal System: 
Monoclinic
Hardness: 
2.0 - 2.5
Streak: 
dark pink
Type Locality: 
Cerro de Cacheuta, Sierra de Cacheuta, Mendoza, Argentina

Chalcomenite

Formula: 
CuSeO3·2H2O
Strunz: 
4.JH.05
Crystal System: 
Orthorhombic
Hardness: 
2.0 - 2.5
Type Locality: 
Cerro de Cacheuta, Sierra de Cacheuta, Mendoza, Argentina
schani

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