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Proustite & Xanthoconite

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RBM869215

Proustite & Xanthoconite

Description Tabs

Description
Locality: 
Mercedes Mine, Agua Amarga, Vallenar, Huasco Province, Atacama Region, Chile
Class: 
Crystals on Matrix
Size Range: 
Miniature (4.5-7 cm)
Size: 
6.5 × 4.5 × 2 cm
Description

Micro crystals of shiny proustite accompanied by xanthoconite  over calcite.

Mineral Data
What's on the rock

Proustite

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

Xanthoconite

Formula: 
Ag3AsS3
Strunz: 
2.GA.10
Crystal System: 
Monoclinic
Hardness: 
2.0 - 3.0
Type Locality: 
Himmelsfürst Mine, Brand-Erbisdorf, Freiberg District, Erzgebirge, Saxony, Germany

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