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Umangite

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MNR621811

Umangite

Classic Locality

Description Tabs

Description
Locality: 
Bukov Mine, Rožná, Moravia, Czech Republic
Class: 
Massive/Crystalline
Size Range: 
Small miniature (3-4.5 cm)
Size: 
3 × 2.1 × 1.6 cm
Description

Massive umangite aggregate in matrix. One side cut and polished for analysis purpose. Cut side presents black-brown vein with umangite and possibly other selenides as well.

Mineral Data
What's on the rock

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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