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Umangite

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Umangite

Rare Mineral

Description Tabs

Description
Locality: 
El Dragón Mine, Quijarro Province, Potosi Department, Bolivia
Class: 
Crystals on Matrix
Size Range: 
Thumbnail (1-3cm)
Size: 
2 × 1.3 × 0.7 cm
Description

Silvery metallic crystal aggregates of the rare selenide mineral umangite from the famous El Dragon mine in Bolivia

Ex Vandenbroucke Museum collection from Waregem, Belgium.

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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