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Umangite

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SYA800704

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: 
2.5 × 1.5 × 1.5 cm
Description

Rich mass of dark grey partly blue-violet tarnished umangite throughout the matrix.

Rare historic Type Locality specimen.

Named after its supposed discovery locality, Sierra de Umango (Umango Mountains), Argentina, although in reality it does not occur there but came rather from a neighbouring range called the 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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