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Argentobaumhauerite Enargite & Orpiment

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SER918116

Argentobaumhauerite Enargite & Orpiment

Description Tabs

Description
Locality: 
Quiruvilca Mine, Quiruvilca District, Santiago de Chuco Province, Libertad Department, Peru
Class: 
Crystal Group/Cluster
Size Range: 
Miniature (4.5-7 cm)
Size: 
6.6 × 4.6 × 1.6 cm
Description

Between  some large, orange crystals of orpiment, some vugs host black enargite crystals on a carpet of tiny, red needles of agentobaumhauerite

Mineral Data
What's on the rock

Argentobaumhauerite

Formula: 
Pb11Ag(As,Sb)18S36
Strunz: 
2/E.24-15
Crystal System: 
Monoclinic
Hardness: 
3
Colour: 
Steel grey
Type Locality: 
Lengenbach Quarry, Wallis, Switzerland

Enargite

Formula: 
Cu3AsS4
Strunz: 
2.KA.05
Crystal System: 
Orthorhombic
Hardness: 
3.0
Streak: 
Black.
Type Locality: 
San Francisco vein, Morococha District, Yauli Province, Junín Department, Peru

Orpiment

Formula: 
As2S3
Strunz: 
2.FA.30
Crystal System: 
Monoclinic
Hardness: 
1.5 - 2.0