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Hausmannite & Calcite

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RAF82511

Hausmannite & Calcite

Description Tabs

Description
Locality: 
Wessels Mine, Hotazel, Kalahari, Northern Cape Province, South Africa
Size Range: 
Cabinet (10-18 cm)
Size: 
10.5 × 6 × 3 cm
Largest Crystal: 
0.50cm
Description

Hausmannite & calcite from the Wessels Mine.

A nice mass of crystals.

Weight 316g.

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

Calcite

Polymorph of: 
Formula: 
CaCO3
Strunz: 
5.AB.05
Crystal System: 
Trigonal
Hardness: 
3.0
Streak: 
White