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Henritermierite & Hausmannite

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RAF24439

Description Tabs

Description
Locality: 
NChwaning II Mine, Kuruman, Kalahari, Northern Cape Province, South Africa
Size Range: 
Miniature (4.5-7 cm)
Size: 
5 × 4 × 3 cm
Largest Crystal: 
0.50cm
Description

Henritermierite, (Garnet Group) and hausmannite on matrix.

This is a rare garnet specimen.

Very little has ever been found in N'Chwaning Mine.

Mineral Data
What's on the rock

Henritermierite

Formula: 
Ca3(Mn3+,Al)2(SiO4)2(OH)4
Strunz: 
9.AD.25
Hardness: 
0.0
Streak: 
White
Type Locality: 
Tachgagalt Mine, Ouarzazate Province, Souss-Massa-Draâ Region, Morocco

Hausmannite

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