School of Geological and Computer Science, University of Natal, Durban, 4041 South Africa
Institute of Experimental Mineralogy, Russian Academy of Sciences (at present Alexander von Humboldt Foundation Fellow), Chernogolovka, Moscow ds., 142432 Russian Federation ; Institute of Geology, Mineralogy and Geophysics, Ruhr-University of Bochum (Sonderforschungsbereich 526), Universitätstrasse 150, Bochum, 44780 Germany
School of Geological and Computer Science, University of Natal, Durban, 4041 South Africa ;
Institute of Geology, Mineralogy and Geophysics, Ruhr-University of Bochum (Sonderforschungsbereich 526), Universitätstrasse 150, Bochum, 44780 Germany ;
School of Geological and Computer Science, University of Natal, Durban, 4041 South Africa ;
Council for Geoscience, 139 Loop Street, Pietermaritzburg, 3200 South Africa ;