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Fettelite & Proustite

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JYJ789411

Fettelite & Proustite

PXRD & EDS confirmed specimen no 307

Description Tabs

Description
Locality: 
Schlema-Hartenstein, Erzgebirge, Saxony, Germany
Class: 
Crystals on Matrix
Size Range: 
Thumbnail (1-3cm)
Size: 
2.5 × 1.4 × 1.2 cm
Description

PXRD & EDS confirmed specimen no 307 hosting red metallic fettelite with proustite in arsenic matrix. Analysis in the analytical section. Fettelite was first recognized and published in the year 1999 from Schlema in LAPIS 12/1996. 

Mineral Data
What's on the rock

Fettelite

Formula: 
[Ag6As2S7][Ag10HgAs2S8]
Strunz: 
2.LA.30
Crystal System: 
Trigonal
Hardness: 
4.0
Type Locality: 
Glasberg quarry, Nieder-Beerbach, Mühltal, Odenwald, Hesse, Germany

Proustite

Formula: 
Ag3AsS3
Strunz: 
2.GA.05
Crystal System: 
Trigonal
Hardness: 
2.0 - 2.5
Analysis
Analysis Report - only: Fettelite & Proustite
Analysis Report - only: Fettelite & Proustite