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Schapbachite & Gustavite

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JYJ644841

Schapbachite & Gustavite

Description Tabs

Description
Locality: 
Herrensegen Mine, Wildschapbach, Bad Rippoldsau-Schapbach, Karlsruhe, Baden-Württemberg, Germany
Class: 
Crystals on Matrix
Size Range: 
Small miniature (3-4.5 cm)
Size: 
3.7 × 2 × 2.1 cm
Description

Grey metallic gustavite needles with black schapbachite. 

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