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Schapbachite & Gustavite

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JYJ687434

Schapbachite & Gustavite

Description Tabs

Description
Locality: 
Gottesehre Mine, Urberg, Baden-Württemberg, Germany
Class: 
Crystals on Matrix
Size Range: 
Thumbnail (1-3cm)
Size: 
1.7 × 1.4 × 0.8 cm
Description

Grey metallic schapbachite on gustavite in a cavity on fluorite. 

Rare mineral!

Mineral Data
What's on the rock

Schapbachite

Formula: 
Ag0.4Pb0.2Bi0.4S
Strunz: 
2.JA.15
Crystal System: 
Isometric
Hardness: 
3.0 - 4.0
Colour: 
Dark grey
Streak: 
Black
Type Locality: 
Silberbrünnle Mine, Haigerach valley, Gengenbach, Black Forest, Baden-Württemberg, Germany

Gustavite

Formula: 
Ag3Pb5Bi11S24
Strunz: 
2.JB.40a
Hardness: 
3.5
Type Locality: 
Ivigtut Cryolite deposit, Ivittuut (Ivigtut), Arsuk Fjord, Sermersooq, Greenland
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