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Bonaccordite & Trevorite & Willemseite

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SKY664084

Bonaccordite & Trevorite & Willemseite

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: 
0.6 × 0.3 × 0.2 cm
Description

Outstanding brown crystal aggregates of the extremely rare nickel mineral bonaccordite from the type and only known locality worldwide.

Associated minerals are green willemseite and trevorite.

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

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

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

Seller Information

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