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Proustite & Quartz

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SCH50228

Proustite & Quartz

Description Tabs

Description
Locality: 
Chañarcillo, Copiapó Province, Atacama Region, Chile
Size Range: 
Thumbnail (1-3cm)
Size: 
2.4 × 2.2 × 2.1 cm
Description

Dark red proustite crystals on quartz matrix.

There are two very good crystals plus another cluster of lesser ones. Obviously an old specimen!

Mineral Data
What's on the rock

Proustite

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

Quartz

Formula: 
SiO2
Strunz: 
4.DA.05
Crystal System: 
Trigonal
Hardness: 
7.0
Streak: 
White
schani

Seller Information

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