Diamond from Namakwa District Municipality, Northern Cape, South Africa
South Africa | |
| O'Neil, Paul (1983) Planet Earth - Gemstones. Time Life Books, Alexandria, VA. |
| Mining Ann. Review (1985): 147. |
Matheys, F. G. (1990) The alluvial diamond deposits of the lower Vaal river between Barkly West and the Vaal-Harts confluence in the Northern Cape Province, South Africa. Rhodes University. | |
| Mining Annual review(1985):147. |
| Mining Annual review(1985):147. |
Mining Ann. Review (1985): 147. |
Namakwa District Municipality, Northern Cape, South Africa