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Sailaufite & Braunite

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HCH220943

Sailaufite & Braunite

Type Locality

Description Tabs

Description
Locality: 
Sailauf, Spessart, Bavaria, Germany
Size Range: 
Thumbnail (1-3cm)
Size: 
1.5 × 1.5 × 1.5 cm
Largest Crystal: 
0.05cm
Description

Small brown crystals of Sailaufite near Braunite on Carbonate.

Mineral Data
What's on the rock

Sailaufite

Formula: 
(Ca,Na,☐)2Mn3+3(AsO4)2(CO3)O2·3H2O
Strunz: 
8.DH.30
Hardness: 
4.0 - 0.0
Streak: 
Brown
Type Locality: 
Fuchs Quarry, Hartkoppe, Sailauf, Hösbach, Spessart, Franconia, Bavaria, Germany

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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