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Argentotennantite & Proustite

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SER1033912

Argentotennantite & Proustite

Description Tabs

Description
Locality: 
Uchucchacua Mine, Oyon Province, Lima Department, Peru
Class: 
Crystal Group/Cluster
Size Range: 
Thumbnail (1-3cm)
Size: 
1.8 × 1.2 × 0.6 cm
Description

lustrous black argentotennantite crystals with some tiny red proustite crystals too

Mineral Data
What's on the rock

Argentotennantite

Formula: 
Ag6[Cu4(Fe,Zn)2]As4S13
Strunz: 
2.GB.05
Hardness: 
3.5
Type Locality: 
Kvartsitovje Gorki Au deposit (Quartzite Hills), Aksu (Aqsu), Stepnogorsk, Akmola Province (Aqmola Oblysy; Akmolinskaya Oblast'), Kazakhstan...

Proustite

Formula: 
Ag3AsS3
Strunz: 
2.GA.05
Crystal System: 
Trigonal
Hardness: 
2.0 - 2.5