A diamond mine in a kimberlite pipe, owned by the De Beers and closed in 2005. The deepest mining level was 870 meters below surface.
In 1974, a miner at Dutoitspan picked up an octahedral diamond of 616 ct. This crystal is the largest diamond ever found in all of the Kimberley mines, and also the largest ever octahedral diamond that has been recovered.
References:
- Dana 7:I:149.
- Mathias, M., Siebert, J.C., and Rickwood, P.C. (1970): Some Aspects of the Mineralogy and Petrology of Ultramafic Xenoliths in Kimberlite. Contributions to Mineralogy and Petrology 26, 75-123.
- Mining Annual Review(1985):147.
- Field, M., Stiefenhofer, J., Robey, J., and Kurszlaukis, S. (2008): Kimberlite-hosted diamond deposits of southern Africa: A review. Ore Geology Reviews 34, 33-75.
Mineral List:13 entries listed. 10 valid minerals. 1 type locality (valid mineral).
The above list contains all mineral locality references listed on mindat.org. This does not claim to be a complete list. If you know of more minerals from this site, please register so you can add to our database!
