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Mangan-diaspore On Alabandite

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CLB542236

Mangan-diaspore On Alabandite

ex collection H. Dickmann
Rare Mineral

Description Tabs

Description
Locality: 
Glosam Mine, Postmasburg, Northern Cape Province, South Africa
Class: 
Combination
Size Range: 
Miniature (4.5-7 cm)
Size: 
4.7 × 4.5 × 3.4 cm
Description

Brown mangan-diaspore aggregates on black, massive alabandite.

Mangan-diaspore is very rare and only known from two localities in South Africa.

Mineral Data
What's on the rock

Mangan-diaspore

Variety Of: 

Diaspore

Formula: 
AlO(OH)
Strunz: 
4.FD.10
Hardness: 
6.5 - 7.0
Hardness: 
0.0

Alabandite

Formula: 
MnS
Strunz: 
2.CD.10
Crystal System: 
Isometric
Hardness: 
3.5 - 4.0
Type Locality: 
Sacarîmb (Sãcãrâmb; Szekerembe; Nagyág), Deva, Hunedoara Co., Romania

Seller Information

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