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Wiserite & Hausmannite

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ESM1037215

Wiserite & Hausmannite

Description Tabs

Description
Locality: 
Kombat Mine, Grootfontein, Otjozondjupa Region, Namibia
Class: 
Combination
Size Range: 
Micromount (under 1cm)
Size: 
0.4 × 0.3 × 0.2 cm
Description

Elongated wiserite crystals on black hausmanite crystals

Mineral Data
What's on the rock

Wiserite

Formula: 
(Mn,Mg)14[Cl|(OH)8|(Si,Mg)(O,OH)4|(B2O5)4]
Strunz: 
6.BA.20
Hardness: 
2.5
Type Locality: 
Gonzen Mine, Sargans, Alvier Group, St Gallen, Switzerland

Hausmannite

Formula: 
Mn2+Mn3+2O4
Strunz: 
4.BB.10
Hardness: 
5.5
Type Locality: 
Oehrenstock (Öhrenstock), Langewiesen, Ilmenau District, Thuringian Forest, Thuringia, Germany