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Sursassite & Braunite

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SHS566526

Sursassite & Braunite

Description Tabs

Description
Locality: 
Falotta, Tinzen, Grischun, Switzerland
Class: 
Massive/Crystalline
Size Range: 
Thumbnail (1-3cm)
Size: 
1.5 × 1.7 × 0.9 cm
Description

Nice surassite and braunite in matrix

Mineral Data
What's on the rock

Sursassite

Formula: 
Mn2+2Al3(Si2O7)(SiO4)(OH)3
Strunz: 
9.BG.15
Hardness: 
0.0
Type Locality: 
Parsettens Alp, Tinizong (Tinzen), Oberhalbstein (Surses; Sursass), Albula Valley, Grischun (Grisons; Graubünden), Switzerland

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
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