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Fettelite

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JYJ189613

Fettelite

excellent sample

Description Tabs

Description
Locality: 
Glasberg Quarry, Nieder-Beerbach, Odenwald, Hesse, Germany
Size Range: 
Small miniature (3-4.5 cm)
Size: 
3 × 2.8 × 2.3 cm
Description

Very rich and good sample with platy fettelite crystals on calcite matrix. Also present: Proustite and minor acanthite. The sample was stored in my systematic collection before.

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