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Hausmannite with Andradite and Baryte

# PD31234
SOLD
Hausmannite from Black Rock mine, Northern Cape Province, South Africa - PD31234
Hausmannite from Black Rock mine, Northern Cape Province, South Africa - PD31234

Hausmannite with Andradite and Baryte

# PD31234
Availability
Sold
Size
4.5 x 3 x 3 cm - Miniature 
Formula
Mn2+Mn3+2O4 (RRUFF)
Locality
Black Rock mine, Northern Cape Province, South Africa

Black pyramidal Hausmannite crystals to 3mm with tiny red Andradite crystals and white bladed Baryte.

Hausmannite

Formula
Mn2+Mn3+2O4 
Crystal System
Tetragonal 
Crystal Habit
Massive - Granular, Pseudo Octohedral 
Cleavage
Perfect, None, None 
Luster
Sub Metallic 
Color
brownish black, grayish 
Streak
dark reddish brown 
Class
Tetragonal - Ditetragonal Dipyramidal 
Fracture
Uneven 
Hardness
5.5 

Data courtesy of Webmineral.

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