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Hausmannite

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CR707736

Hausmannite

Description Tabs

Description
Locality: 
NChwaning II Mine, Kuruman, Kalahari, Northern Cape Province, South Africa
Class: 
Crystals on Matrix
Size Range: 
Small miniature (3-4.5 cm)
Size: 
3.7 × 2.6 × 2.5 cm
Description

Very rich and good specimen with dozens of black, lustrous hausmannite octahedrons all over the specimen.

With minor Sturmannite and Andradite.

Ex Rheinländer collection, Germany

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