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Brandtite On Braunite

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HCH79922

Brandtite On Braunite

Description Tabs

Description
Locality: 
Fuchs Quarry, Hartkoppe, Sailauf, Lower Franconia, Bavaria, Germany
Size Range: 
Thumbnail (1-3cm)
Size: 
2 × 1 × 1 cm
Largest Crystal: 
0.05cm
Description

white fibrious brandtite up to 0.5 mm is sitting on braunite.

Mineral Data
What's on the rock

Brandtite

Formula: 
Ca2(Mn2+,Mg)(AsO4)2·2H2O
Strunz: 
8.CG.10
Crystal System: 
Monoclinic
Hardness: 
3.5
Type Locality: 
Harstigen Mine, Pajsberg, Persberg district, Filipstad, Värmland, Sweden

Braunite

Formula: 
Mn2+Mn3+6(SiO4)O8
Strunz: 
9.AG.05
Hardness: 
6.0 - 6.5
Streak: 
Black
Type Locality: 
Oehrenstock (Öhrenstock), Langewiesen, Ilmenau District, Thuringian Forest, Thuringia, Germany

Seller Information

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