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Sillénite & Bismutite

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SHS739771

Sillénite & Bismutite

Description Tabs

Description
Locality: 
Schneeberg, Erzgebirge, Saxony, Germany
Class: 
Massive/Crystalline
Size Range: 
Small miniature (3-4.5 cm)
Size: 
4 × 2 × 2.7 cm
Description

Sillenite and bismutite psm after bismute on matrix

Mineral Data
What's on the rock

Sillénite

Formula: 
Bi12SiO20
Strunz: 
4.CB.70
Crystal System: 
Isometric
Hardness: 
0.0
Type Locality: 
Durango, Mexico

Bismutite

Formula: 
(BiO)2CO3
Strunz: 
5.BE.25
Crystal System: 
Tetragonal
Hardness: 
2.5 - 3.5
Streak: 
Grey
Type Locality: 
Arme Hilfe Mine, Ullersreuth, Hirschberg, Vogtland, Thuringia, Germany