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Andradite & Hausmannite

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RAF559359

Andradite & Hausmannite

Gem Crystal

Description Tabs

Description
Locality: 
NChwaning II Mine, Kuruman, Kalahari, Northern Cape Province, South Africa
Class: 
Crystals on Matrix
Size Range: 
Miniature (4.5-7 cm)
Size: 
3 × 4.5 × 6.5 cm
Largest Crystal: 
1.00cm
Weight: 
116.00gr
Description

Very attractive Andradite and Hausmannite crystals on matrix. From N'Chwaning II Mine, K.M.F., Northern Cape, South Africa.  A gem of a specimen...

Mineral Data
What's on the rock

Andradite

Formula: 
Ca3Fe3+2(SiO4)3
Strunz: 
9.AD.25
Crystal System: 
Isometric
Hardness: 
6.5 - 7.0
Streak: 
White
Type Locality: 
Drammen, Buskerud, Norway

Hausmannite

Formula: 
Mn2+Mn3+2O4
Strunz: 
4.BB.10
Hardness: 
5.5
Type Locality: 
Oehrenstock (Öhrenstock), Langewiesen, Ilmenau District, Thuringian Forest, Thuringia, Germany