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Steatite Pyrolusite & Calcite

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CLB168227

Steatite Pyrolusite & Calcite

Classic Locality

Description Tabs

Description
Locality: 
Johannes Mine, Göpfersgrün, Wunsiedel, Upper Franconia, Bavaria, Germany
Class: 
Combination
Size Range: 
Cabinet (10-18 cm)
Size: 
10.9 × 8.3 × 4 cm
Description

Talc variety steatite with manganese oxide dendrites (pyrolusite?) and calcite.

Mineral Data
What's on the rock

Steatite

Variety Of: 

Talc

Formula: 
Mg3(Si4O10)(OH)2
Strunz: 
9.EC.05
Hardness: 
1.0
Formula: 
Mg3(Si4O10)(OH)2
Hardness: 
0.0

Pyrolusite

Formula: 
MnO2
Strunz: 
4.DB.05
Hardness: 
2.0 - 6.5

Calcite

Polymorph of: 
Formula: 
CaCO3
Strunz: 
5.AB.05
Crystal System: 
Trigonal
Hardness: 
3.0
Streak: 
White

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