Gravelotte Emerald Mine, Gravelotte, Murchison Range, Limpopo Province, South Africa

Emerald
Cobra pit, Gravelotte Emerald Mine, Gravelotte, Murchison Range, Limpopo Province, South Africa

Photo: Karl Volkman03/05

Latitude: 23°57'S
Longitude: 30°37'E

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Emeralds crystallized where beryllium-bearing, potassium-rich pegmatites intruded into ultramafic komatiitic schists of the Murchison Greenstone Belt. Emeralds are principally hosted within the biotitic alteration envelope that surrounds the pegmatite; these represent localized zones of intense potassic alteration. A minor amount of emeralds is hosted by the pegmatite.

Mineral List

Mineral list contains entries from the region specified including sub-localities

Actinolite
'Apatite'
Beryl
var: Emerald

Biotite
'Chlorite Group'
'Feldspar Group'

Molybdenite
Pyrite
Quartz

Schorl
Talc

11 entries listed. 6 valid minerals.

Localities in this Region

South Africa

Limpopo Province
- Murchison Range
  - Gravelotte
    - Gravelotte Emerald Mine
      - Cobra pit

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Copyright © Jolyon Ralph and Ida Chau 1993-2011. Jobs in South Africa Site Map. Locality, mineral & photograph data are the copyright of the individuals who submitted them. Further information contact the 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 hundreds 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.
Current server date and time: 11th Sep 2011 08:32:21