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Brindleyite

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JYJ744303

Brindleyite

Description Tabs

Description
Locality: 
Tsumeb Mine, Otavi Highlands, Namibia
Class: 
Crystals on Matrix
Size Range: 
Thumbnail (1-3cm)
Size: 
2.3 × 1.4 × 1.6 cm
Description

Colourless lustrous brindleyite on chalcosine-germanite matrix. 

There is only EDS data available for this material and a Raman spectrum could not be obtained due to fluorescence. For standard powder diffraction in Bragg Brentano geometry the amount of material is not enough. 

The first Ni dominant oxide mineral from Tsumeb. 

Mineral Data
What's on the rock

Brindleyite

Formula: 
(Ni,Al)3(Si,Al)2O5(OH)4
Strunz: 
9.ED.15
Crystal System: 
Monoclinic
Hardness: 
2.5 - 3.0
Type Locality: 
Marmara bauxite deposit, Megara, Western Attikí District, Attikí Prefecture (Attica; Attika), Greece