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Mandarinoite & Chalcomenite

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JYJ643598

Mandarinoite & Chalcomenite

Description Tabs

Description
Locality: 
El Dragón Mine, Quijarro Province, Potosi Department, Bolivia
Class: 
Crystals on Matrix
Size Range: 
Small miniature (3-4.5 cm)
Size: 
3 × 1.5 × 1.1 cm
Description

Very rich chalcomenite specimen with minor mandarinoite. 

 

Mineral Data
What's on the rock

Mandarinoite

Formula: 
Fe3+2(SeO3)3·4H2O
Strunz: 
4.JH.15
Crystal System: 
Monoclinic
Hardness: 
2.5
Type Locality: 
Virgen de Surumi mine (Pacajake mine; Pakajake mine), Pakajake Canyon (Pacajake Canyon), Chayanta Province, Potosí Department, Bolivia

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