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Damtshaa mine, Orapa, Letlhakane, Central District, Botswanai
Regional Level Types
Damtshaa mineMine
OrapaTown
LetlhakaneVillage
Central DistrictDistrict
BotswanaCountry

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Key
Latitude & Longitude (WGS84):
21° 18' 25'' South , 25° 32' 8'' East
Latitude & Longitude (decimal):
Locality type:
Nearest Settlements:
PlacePopulationDistance
Letlhakane18,136 (2018)13.3km
Orapa9,189 (2013)16.5km
Owned/operated by:


A diamond mine, working two kimberlite pipes. The deposit consists of four pipes that were discovered in the mid-1970s, soon after the discoveries of the Orapa and Letlhakane pipes. The mine started production in 2001. Only the two largest pipes, which are located close together, are presently mined. The other pipes, located at some distance, will be mined later. The diamond grade of the pipes is much lower than that at Orapa, but comparable to that at Letlhakane.
Located 17 km east of the Orapa mine.

Select Mineral List Type

Standard Detailed Strunz Dana Chemical Elements

Commodity List

This is a list of exploitable or exploited mineral commodities recorded at this locality.


Mineral List


2 valid minerals.

Rock Types Recorded

Note: this is a very new system on mindat.org and data is currently VERY limited. Please bear with us while we work towards adding this information!

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Alphabetical List Tree Diagram

Detailed Mineral List:

Bultfonteinite
Formula: Ca2(HSiO4)F · H2O
Reference: Contributions to Mineralogy and Petrology Volume 160, Number 4, 533-55
Diamond
Formula: C
Reference: U.S. GEOLOGICAL SURVEY MINERALS YEARBOOK—2003; http://www.portergeo.com.au/database/mineinfo.asp?mineid=mn933
'Hydrogarnet'
Reference: Contributions to Mineralogy and Petrology Volume 160, Number 4, 533-55

List of minerals arranged by Strunz 10th Edition classification

Group 1 - Elements
Diamond1.CB.10aC
Group 9 - Silicates
Bultfonteinite9.AG.80Ca2(HSiO4)F · H2O
Unclassified Minerals, Rocks, etc.
'Hydrogarnet'-

List of minerals arranged by Dana 8th Edition classification

Group 1 - NATIVE ELEMENTS AND ALLOYS
Semi-metals and non-metals
Diamond1.3.6.1C
Group 52 - NESOSILICATES Insular SiO4 Groups and O,OH,F,H2O
Insular SiO4 Groups and O, OH, F, and H2O with cations in [6] and/or >[6] coordination
Bultfonteinite52.4.7.2Ca2(HSiO4)F · H2O
Unclassified Minerals, Mixtures, etc.
'Hydrogarnet'-

List of minerals for each chemical element

HHydrogen
H BultfonteiniteCa2(HSiO4)F · H2O
CCarbon
C DiamondC
OOxygen
O BultfonteiniteCa2(HSiO4)F · H2O
FFluorine
F BultfonteiniteCa2(HSiO4)F · H2O
SiSilicon
Si BultfonteiniteCa2(HSiO4)F · H2O
CaCalcium
Ca BultfonteiniteCa2(HSiO4)F · H2O

References

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Year (asc) Year (desc) Author (A-Z) Author (Z-A)
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.

External Links


Other Regions, Features and Areas containing this locality

African PlateTectonic Plate

This page 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. This locality information is for reference purposes only. You should never attempt to visit any sites listed in mindat.org without first ensuring that you have the permission of the land and/or mineral rights holders for access and that you are aware of all safety precautions necessary.
 
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