Ref.: Cabri, L.J., Rosenzweig, A., and Pinch, W.W. (1977) Platinum-group minerals from Onverwacht. I. Pt-Fe-Cu-Ni alloys. Canadian Mineralogist: 15: 380-384.
Cabri, L.J., Feather, C.E., and Stewart, J.M. (1977) Platinum-group minerals from Onverwacht. II. Platarsite, a new sulfarsenide of platinum. Canadian Mineralogist: 15: 385-388.
Cabri, L.J., Stewart, J.M., Laflamme, J.H.G., and Szymanski, J.T. (1977) Platinum-group minerals from Onverwacht. III. Genkinite, (Pt,Pd)4Sb3, a new mineral. Canadian Mineralogist: 15: 389-392.
Zaccarini, F., Garuti, G., and Cawthorn, R.G. (2002) Platinum-group minerals in chromitite xenoliths from the Onverwacht and Tweefontein ultramafic pipes, eastern Bushveld Complex. Canadian Mineralogist: 40: 481-497.
A PGE mine in a hortonolite-dunite body. Now closed. Workings were at least to the 250 foot/meter (?) level.
Platiniferous magnesian dunite subvertical cylindrical pipe crosscutting the layered cumulates of the Bushveld complex (Lower Critical Zone).
Existence of magmatic replacement.
Magnesian dunite rimmed by harzburgite gradational intopyroxenitic wallrock (layered norites and anorthosites).
Core zone : Hortonolite dunite and wehrlite pegmatites.
Mineral List
23 entries listed. 18 valid minerals. 3 type localities (valid minerals).
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