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Fettelite With Argentopyrite & Löllingite

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RHT811853

Fettelite With Argentopyrite & Löllingite

ex collection Thorsten Häuser, ex Michael Fettel
Type Locality

Description Tabs

Description
Locality: 
Glasberg Quarry, Nieder-Beerbach, Odenwald, Hesse, Germany
Class: 
Combination
Size Range: 
Miniature (4.5-7 cm)
Size: 
4.6 × 4.1 × 2.4 cm
Weight: 
50.00gr
Description

Excellent, very rich specimen with lots of dark cherry-red, flaky fettelite crystals on glossy löllingite (visual ID). Metallic black, glossy argentopyrite crystals (also visual ID) in one corner (2nd and 3rd picture upper left). Also some lustrous colorless crystals (chabazite or calcite?). Also a great combination.

Fettelite is a very rare sulfosalt, only known from a handful of localities. It was named after Michael Fettel, who first collected it. Häuser got the specimen from Fettel himself.

Sticker label with history on box.

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

Argentopyrite

Formula: 
AgFe2S3
Strunz: 
2.CB.65
Crystal System: 
Orthorhombic
Hardness: 
3.5 - 4.0
Streak: 
Grey.
Type Locality: 
Jáchymov (St Joachimsthal), Jáchymov District (St Joachimsthal), Krušné Hory Mts (Erzgebirge), Karlovy Vary Region, Bohemia (Böhmen; Boehmen), Czech Republic

Löllingite

Formula: 
FeAs2
Strunz: 
2.EB.15a
Crystal System: 
Orthorhombic
Hardness: 
5.0 - 5.5
Type Locality: 
Wolfbau Mine, Lölling District, Hüttenberger Erzberg, Hüttenberg, Friesach - Hüttenberg area, Carinthia, Austria

Seller Information

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Seller's terms and conditions

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