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Clausthalite Tiemannite Bornhardtite & Naumannite

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SHS184120

Clausthalite Tiemannite Bornhardtite & Naumannite

ex Collection Dr. Brandt (Northeim/Germany)
With Antique Label

Description Tabs

Description
Locality: 
Tilkerode, Harz, Saxony - Anhalt, Germany
Size Range: 
Miniature (4.5-7 cm)
Size: 
6.6 × 4.2 × 1.5 cm
Description

Nice clausthalite with tiemannite, bornhardite and naumannite, polished piece

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

Tiemannite

Formula: 
HgSe
Strunz: 
2.CB.05a
Hardness: 
2.5
Streak: 
Black
Type Locality: 
St Lorenz Mine, Burgstatt veins, Clausthal-Zellerfeld, Harz, Lower Saxony, Germany

Bornhardtite

Formula: 
Co2+Co3+2Se4
Strunz: 
2.DA.05
Hardness: 
4.0
Colour: 
Rose-red
Type Locality: 
Trogtal Quarries, Lautenthal, 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