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Umangite

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SYA611697

Umangite

Type Locality

Description Tabs

Description
Locality: 
Sierra de Cacho, General Lamadrid Department, La Rioja, Argentina
Class: 
Massive/Crystalline
Size Range: 
Thumbnail (1-3cm)
Size: 
2.3 × 1.5 × 1.3 cm
Description

A rich specimen with massive grey umangite sand blue chalcomenite in white contrasting matrix.

Old sample from the 19th century.

Original labeled with Sierra Umango, but the correct locality ( type locality ) is Sierra de Cacho.

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

Seller Information

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