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Athabascaite Umangite & Berzelianite

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ESM844427

Athabascaite Umangite & Berzelianite

Description Tabs

Description
Locality: 
Sierra de Umango, Villa Castelli, General Lamadrid Department, La Rioja, Argentina
Class: 
Combination
Size Range: 
Micromount (under 1cm)
Size: 
0.4 × 0.4 × 0.3 cm
Description

Metallic athabascaite with umangite and berzelianite on matrix  ( For original close-up photo contact us )

Mineral Data
What's on the rock

Athabascaite

Formula: 
Cu5Se4
Strunz: 
2.BA.25
Crystal System: 
Orthorhombic
Hardness: 
2.5
Type Locality: 
Martin Lake Mine, Uranium City, Lake Athabasca, Beaverlodge Region, Saskatchewan, Canada

Umangite

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

Berzelianite

Formula: 
Cu2Se
Strunz: 
2.BA.20
Crystal System: 
Isometric
Hardness: 
2.0
Streak: 
Shining
Type Locality: 
Skrikerum Mine (Skrickerum Mine), Valdemarsvik, Östergötland, Sweden