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Eskebornite & Umangite

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HCH198519

Eskebornite & Umangite

Description Tabs

Description
Locality: 
Brummerjan Mine, Zorge, Walkenried, Göttingen, Lower Saxony, Germany
Size Range: 
Small miniature (3-4.5 cm)
Size: 
3.5 × 2 × 2 cm
Description

Small grains of different Selenides like Eskebornite, Umangite, Berzelianite and Klockmannite are intergrown in Calcite.

Mineral Data
What's on the rock

Eskebornite

Formula: 
CuFeSe2
Strunz: 
2.CB.10a
Hardness: 
3.0 - 3.5
Streak: 
Black
Type Locality: 
Eskaborn Adit, Tilkerode (Abberode), Harz, Saxony-Anhalt, Germany

Umangite

Formula: 
Cu3Se2
Strunz: 
2.BA.25
Crystal System: 
Tetragonal
Hardness: 
3.0
Streak: 
Black
Type Locality: 
Trogtal Quarries, Lautenthal, Harz, Lower Saxony, Germany

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