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Krut'aite With Chalcomenite Olsacherite & Clinochalcomenite

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CLB131753

Krut'aite With Chalcomenite Olsacherite & Clinochalcomenite

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: 
4.3 × 2.8 × 2.1 cm
Description

Rare selenian minerals. Massive, metallic-black krutaite with blue chalcomenite, a few white acicular crystals of olsacherite (not analyzed but most probable) and a little green clinochalcomenite.

Mineral Data
What's on the rock

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

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

Clinochalcomenite

Formula: 
CuSeO3 · 2H2O
Strunz: 
4
Crystal System: 
Monoclinic
Hardness: 
2
Colour: 
Bluish green
Streak: 
Pale Green
Type Locality: 
Gansu (Ganzu) Province, China

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