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Xanthoconite & Proustite

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CR30670

Description Tabs

Description
Locality: 
Imiter Mine, Tinghir Province, Drâa-Tafilalet Region, Morocco
Size Range: 
Small miniature (3-4.5 cm)
Size: 
4.3 × 3.7 × 2.8 cm
Description

Very rich xanthoconite specimen with beautiful tabular and orange microcrystals all over the specimen.

The silver rich galena matrix is covered with deep red proustite crystals to 4mm and minor native silver and polybasite.

Mineral Data
What's on the rock

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

Proustite

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