Hausmannite, Gaudefroyite and Andradite garnet

Hausmannite, Gaudefroyite and Andradite garnet

N'Cwaning II mine, Kalahari Manganese Field, Northern Cape, South Africa

2452

Mirror bright, jet-black Hausmannite crystals interspersed with a scattering of the rare manganese borate Gaudfroyite set on a matrix of Andradite garnet. Classic N'Cwaning specimen

Formulas: Hausmannite Mn2+Mn3+2O4; Gaudefroyite Ca4Mn3+2-3(BO3)3(CO3)(O,OH)3; Andradite Ca3Fe3+2(SiO4)3

£80.00

Status: Available

Dimensions: 55x53x35mm

Size: Miniature (M)

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