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De Beers Mine, Kimberley, Francis Baard District, Northern Cape Province, South Africa
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A diamond mine in a kimberlite pipe. The mine was started in 1871 and worked from an open cast until 1908. In 1963, it was re-opened as an underground mine, which was finally closed in 1990. The mine is about 800 meters deep.

Mineral List

'Cebollite'
Chromite
Diamond
Diopside
var: Chromian Diopside

Enstatite
Fluorapophyllite-(K)
'Garnet'
Ilmenite
Lindsleyite (TL)
Mathiasite
Monticellite
'Olivine'
Pectolite
Perovskite
Phlogopite
'Potassic-richterite'
Rutile
Spinel
var: Chromspinel



18 entries listed. 12 valid minerals. 1 type locality (valid mineral). 1 erroneous literature entry.

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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.

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Copyright © Jolyon Ralph and Ida Chau 1993-2014. Site Map. Locality, mineral & photograph data are the copyright of the individuals who submitted them. Site hosted & developed by Jolyon Ralph. Mindat.org is an online information resource dedicated to providing free mineralogical information to all. Mindat relies on the contributions of thousands of members and supporters. Mindat does not offer minerals for sale. If you would like to add information to improve the quality of our database, then click here to register.
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