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Chalcomenite & Olsacherite

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JYJ777647

Chalcomenite & Olsacherite

Description Tabs

Description
Locality: 
El Dragón Mine, Quijarro Province, Potosi Department, Bolivia
Class: 
Crystals on Matrix
Size Range: 
Thumbnail (1-3cm)
Size: 
2.6 × 1.9 × 1.8 cm
Description

Very good and large chalcomenite crystals associated with olsacherite on krutaite-penroseite matrix.

Mineral Data
What's on the rock

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

Olsacherite

Formula: 
Pb2(SeO4)(SO4)
Strunz: 
7.AD.35
Hardness: 
3.0 - 3.5
Type Locality: 
Virgen de Surumi mine (Pacajake mine; Pakajake mine), Pakajake Canyon (Pacajake Canyon), Chayanta Province, Potosí Department, Bolivia