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Hausmannite On Hematite

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CLB157703

Hausmannite On Hematite

ex collection Gerda Wimmer
Classic Locality

Description Tabs

Description
Locality: 
Kuruman, Kalahari, Northern Cape Province, South Africa
Size Range: 
Miniature (4.5-7 cm)
Size: 
5.5 × 5 × 1.4 cm
Description

Very good, lustrous, black hausmannite crystals on very glossy, more dark metallic haematite crystals. Some minor colorless calcite crystals and yellow micro crystals - probably ettringite.
Exact locality most probably N'Chwanning II Mines.

Mineral Data
What's on the rock

Hausmannite

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

Hematite

Formula: 
Fe2O3
Strunz: 
4.CB.05
Crystal System: 
Trigonal
Hardness: 
5.0 - 6.0

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