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Bementite & Andradite

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CLB141350

Bementite & Andradite

Classic Locality

Description Tabs

Description
Locality: 
NChwaning Mines, Kuruman, Northern Cape Province, South Africa
Size Range: 
Miniature (4.5-7 cm)
Size: 
5 × 2.7 × 0.6 cm
Description

Mother-of-pearl-luster bemanite on lustrous red-brown andradite crystals with minor black hausmannite.

Mineral Data
What's on the rock

Bementite

Formula: 
Mn7Si6O15(OH)8
Strunz: 
9.EE.05
Crystal System: 
Monoclinic
Hardness: 
6.0
Streak: 
White
Type Locality: 
Trotter Mine (Lehigh Mine), Franklin Mine, Franklin, Franklin Mining District, Sussex Co., New Jersey, USA

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

Seller Information

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