Moving mountains for you
Switch currency

Current Live Auctions

Current Live Fixed Price Sales

Clausthalite & Naumannite

Views:
Watches:
JYJ868306

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: 
2.9 × 2.2 × 2.5 cm
Description

Massive grey metallic clausthalite vein with pale beige penroseite and large naumannite grain inclusisons on siderite. In cavities clausthalite forms faceted crystals and elongated long prismatic crystals. 

 

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