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Clausthalite & Naumannite

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JYJ752741

Clausthalite & Naumannite

Description Tabs

Description
Locality: 
Virgen de Surumi Mine, Pakajake Canyon, Chayanta Province, Potosi Department, Bolivia
Class: 
Crystals on Matrix
Size Range: 
Thumbnail (1-3cm)
Size: 
2.4 × 1.8 × 1 cm
Description

Grey metallic clausthalite crystals and naumannite on siderite matrix. 

Material has been analysed. Analysis on request. 

 

Mineral Data
What's on the rock

Clausthalite

Formula: 
PbSe
Strunz: 
2.CD.10
Hardness: 
2.5 - 3.0
Type Locality: 
St Lorenz Mine, Burgstatt veins, Clausthal-Zellerfeld, Harz, Lower Saxony, Germany

Naumannite

Formula: 
Ag2Se
Strunz: 
2.BA.55
Crystal System: 
Orthorhombic
Hardness: 
2.5
Streak: 
black
Type Locality: 
Tilkerode (Abberode), Harz, Saxony-Anhalt, Germany