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Fettelite & Xanthoconite

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JYJ1045237

Fettelite & Xanthoconite

Description Tabs

Description
Locality: 
Glasberg Quarry, Nieder-Beerbach, Odenwald, Hesse, Germany
Class: 
Crystals on Matrix
Size Range: 
Small miniature (3-4.5 cm)
Size: 
3.3 × 2 × 1.7 cm
Description

Tabular red metallic fettelite with orange xanthoconite and proustite. 

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

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