Calcite on dolomite | |
(white), 1 | |
Calcite on pyrite, 2 |
1 Rustenburg Platinum Mine (4,2 cm), specimen: Karl Messner, photo: Mark Hudson in: Cairncross, B./ Dixon, R.: Minerals of South Africa, Singapore 1995, p. 87
2 Rustenburg Platinum Mine (4 cm), specimen: Karl Messner, photo: Mark Hudson in: Cairncross, B./ Dixon, R.: Minerals of South Africa, Singapore 1995, p. 90