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Hausmannite With Baryte

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PDM710448

Hausmannite With Baryte

Description Tabs

Description
Locality: 
NChwaning Mines, Kuruman, Northern Cape Province, South Africa
Class: 
Crystal Group/Cluster
Size Range: 
Small cabinet (7-10 cm)
Size: 
9.1 × 7 × 2.3 cm
Description

Group of lustrous black pseudoctahedral crystals of hausmannite with granny surfaces, associated to thick pale-white baryte crystals, which is uncommon for the locality.

Bought in 1990, it is an Ex. Johann Muizebelt specimen.

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

Baryte

Formula: 
BaSO4
Strunz: 
7.AD.35
Hardness: 
3.0 - 3.5
Streak: 
White

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