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Hausmannite

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RAF744437

Hausmannite

Classic Locality

Description Tabs

Description
Locality: 
NChwaning I Mine, Kuruman, Kalahari, Northern Cape Province, South Africa
Class: 
Crystal Group/Cluster
Size Range: 
Small miniature (3-4.5 cm)
Size: 
3.3 × 1.6 × 2.1 cm
Largest Crystal: 
1.00cm
Weight: 
14.00gr
Description

Hausmannite? Smooth crystals, but not magnetic. A beautiful little thumbnail from N'Chwaning I Mine, Northern Cape.  This is an old specimen and this form is rare.

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