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Gaudefroyite & Andradite

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SYM807895

Gaudefroyite & Andradite

Rare Mineral

Description Tabs

Description
Locality: 
Kuruman, Kalahari, Northern Cape Province, South Africa
Class: 
Crystals on Matrix
Size Range: 
Small miniature (3-4.5 cm)
Size: 
2.3 × 3.5 × 3 cm
Description

Black gaudefroyite crystals with red-orange andradite crystals.

Mineral Data
What's on the rock

Gaudefroyite

Formula: 
Ca4Mn3+2-3(BO3)3(CO3)(O,OH)3
Strunz: 
6.AB.60
Hardness: 
6.0
Type Locality: 
Tachgagalt Mine, Ouarzazate Province, Souss-Massa-Draâ Region, Morocco

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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