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Bonaccordite Willemseite & Trevorite

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SKY677064

Bonaccordite Willemseite & Trevorite

Type Locality

Description Tabs

Description
Locality: 
Scotia Talc Mine, Bon Accord, Barberton, Ehlanzeni District, Mpumalanga Province, South Africa
Class: 
Crystals on Matrix
Size Range: 
Micromount (under 1cm)
Size: 
0.15 × 0.1 × 0.1 cm
Description

Dark brown, almost black, crystals of the rare nickel mineral bonaccordite from the type and only known locality worldwide in a matrix of green trevorite and willemseite.

Analyzed specimen by SEM-EDS see copy attached.

Mineral Data
What's on the rock

Bonaccordite

Formula: 
Ni2Fe3+(BO3)O2
Strunz: 
6.AB.30
Crystal System: 
Monoclinic
Hardness: 
7.0
Type Locality: 
Scotia Talc mine, Bon Accord, Barberton, Ehlanzeni District, Mpumalanga Province, South Africa

Willemseite

Formula: 
(Ni,Mg)3(Si4O10)(OH)2
Strunz: 
9.EC.05
Hardness: 
0.0
Type Locality: 
Scotia Talc mine, Bon Accord, Barberton, Ehlanzeni District, Mpumalanga Province, South Africa

Trevorite

Formula: 
Ni2+Fe3+2O4
Strunz: 
4.BB.05
Hardness: 
5.0
Type Locality: 
Bon Accord Ni Deposit, Bon Accord, Barberton, Ehlanzeni District, Mpumalanga Province, South Africa

Seller Information

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