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Chalcomenite & Mandarinoite On Krut'aite

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CLB130213

Chalcomenite & Mandarinoite On Krut'aite

ex coll. Prof. Wotruba, TU Aachen
Rare Mineral

Description Tabs

Description
Locality: 
El Dragón Mine, Quijarro Province, Potosi Department, Bolivia
Size Range: 
Small miniature (3-4.5 cm)
Size: 
3.2 × 2 × 1.9 cm
Description

Very rich sample of blue chalcomenite, orange-brown mandarinoite and possibly another, yet unidentified mineral (brown, botryoidal) on dark gray, metallic krutaite.

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

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

Krut'aite

Formula: 
CuSe2
Strunz: 
2.EB.05a
Hardness: 
4.0
Type Locality: 
Petrovice, Nové Město na Moravě, Vysočina Region, Moravia (Mähren; Maehren), Czech Republic

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