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De Beers Mine, Kimberley, Francis Baard District, Northern Cape, South Africai
Regional Level Types
De Beers MineMine
Kimberley- not defined -
Francis Baard DistrictDistrict
Northern CapeProvince
South AfricaCountry

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Key
Lock Map
Latitude & Longitude (WGS84): 28° 44' 20'' South , 24° 46' 30'' East
Latitude & Longitude (decimal): -28.73912,24.77506
GeoHash:G#: kdcseb0wk
Locality type:Mine
Köppen climate type:BSh : Hot semi-arid (steppe) climate
Nearest Settlements:
PlacePopulationDistance
Kimberley142,089 (2012)1.5km
Barkly West11,621 (2012)33.5km
Ritchie9,960 (2014)37.2km


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.

Regions containing this locality

African PlateTectonic Plate

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


22 valid minerals. 1 (TL) - type locality of valid minerals. 1 erroneous literature entry.

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!

Select Rock List Type

Alphabetical List Tree Diagram

Detailed Mineral List:

'Apatite'
Baddeleyite
Formula: ZrO2
Baryte
Formula: BaSO4
Calcite
Formula: CaCO3
Cebollite
Formula: Ca5Al2(SiO4)3(OH)4
'Chrome-Spinel (of Dana)'
Chromite
Formula: Fe2+Cr3+2O4
Diamond
Formula: C
Diopside
Formula: CaMgSi2O6
Diopside var: Chromian Diopside
Formula: Ca(Mg,Cr)Si2O6
Dolomite
Formula: CaMg(CO3)2
Enstatite
Formula: MgSiO3
'Fayalite-Forsterite Series'
Fluorapophyllite-(K)
Formula: KCa4(Si8O20)(F,OH) · 8H2O
'Garnet Group'
Formula: X3Z2(SiO4)3
Ilmenite
Formula: Fe2+TiO3
Ilmenite var: Magnesian Chromian Ilmenite
Formula: (Fe2+,Mg)(Ti,Cr)O3
Kinoshitalite
Formula: (Ba,K)(Mg,Mn2+,Al)3(Al2Si2O10)(OH)2
Lindsleyite (TL)
Formula: (Ba,Sr)(Zr,Ca)(Fe,Mg)2(Ti,Cr,Fe)18O38
Type Locality:
Magnetite
Formula: Fe2+Fe3+2O4
Mathiasite
Formula: (K, Ba, Sr)(Zr, Fe)(Mg,Fe)2 (Ti,Cr,Fe)18O38
'Monazite'
Monticellite
Formula: CaMgSiO4
Pectolite
Formula: NaCa2Si3O8(OH)
Perovskite
Formula: CaTiO3
Phlogopite
Formula: KMg3(AlSi3O10)(OH)2
Potassic-richterite
Formula: {K}{CaNa}{Mg5}Si8O22(OH)2
Rutile
Formula: TiO2
Rutile var: Niobian Chromian Rutile
Formula: (Ti,Nb,Cr)O2
'Serpentine Subgroup'
Formula: D3[Si2O5](OH)4 D= Mg, Fe, Ni, Mn, Al, Zn
Spinel
Formula: MgAl2O4
Ulvöspinel
Formula: TiFe2O4
'UM1975-09-O:BaCrFeMgTiV'
Formula: (Fe,Mg,Ba,Ca)3Cr3VTi7O23 or (Ba,Ca)(Fe5Mg3)(Cr7V4Ti20)O66 ?

List of minerals arranged by Strunz 10th Edition classification

Group 1 - Elements
Diamond1.CB.10aC
Group 4 - Oxides and Hydroxides
Baddeleyite4.DE.35ZrO2
Chromite4.BB.05Fe2+Cr3+2O4
Ilmenite4.CB.05Fe2+TiO3
var: Magnesian Chromian Ilmenite4.CB.05(Fe2+,Mg)(Ti,Cr)O3
Lindsleyite (TL)4.CC.40(Ba,Sr)(Zr,Ca)(Fe,Mg)2(Ti,Cr,Fe)18O38
Magnetite4.BB.05Fe2+Fe3+2O4
Mathiasite4.CC.40(K, Ba, Sr)(Zr, Fe)(Mg,Fe)2 (Ti,Cr,Fe)18O38
Perovskite4.CC.30CaTiO3
Rutile4.DB.05TiO2
var: Niobian Chromian Rutile4.DB.05(Ti,Nb,Cr)O2
Spinel4.BB.05MgAl2O4
Ulvöspinel4.BB.05TiFe2O4
Group 5 - Nitrates and Carbonates
Calcite5.AB.05CaCO3
Dolomite5.AB.10CaMg(CO3)2
Group 7 - Sulphates, Chromates, Molybdates and Tungstates
Baryte7.AD.35BaSO4
Group 9 - Silicates
Cebollite ?9.BB.10Ca5Al2(SiO4)3(OH)4
Diopside9.DA.15CaMgSi2O6
var: Chromian Diopside9.DA.15Ca(Mg,Cr)Si2O6
Enstatite9.DA.05MgSiO3
Fluorapophyllite-(K)9.EA.15KCa4(Si8O20)(F,OH) · 8H2O
Kinoshitalite9.EC.35(Ba,K)(Mg,Mn2+,Al)3(Al2Si2O10)(OH)2
Monticellite9.AC.10CaMgSiO4
Pectolite9.DG.05NaCa2Si3O8(OH)
Phlogopite9.EC.20KMg3(AlSi3O10)(OH)2
Potassic-richterite9.DE.20{K}{CaNa}{Mg5}Si8O22(OH)2
Unclassified Minerals, Rocks, etc.
'Apatite'-
'Chrome-Spinel (of Dana)'-
'Fayalite-Forsterite Series'-
'Garnet Group'-X3Z2(SiO4)3
'Monazite'-
'Serpentine Subgroup'-D3[Si2O5](OH)4 D= Mg, Fe, Ni, Mn, Al, Zn
'UM1975-09-O:BaCrFeMgTiV'-(Fe,Mg,Ba,Ca)3Cr3VTi7O23 or (Ba,Ca)(Fe5Mg3)(Cr7V4Ti20)O66 ?

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 4 - SIMPLE OXIDES
A2X3
Ilmenite4.3.5.1Fe2+TiO3
Perovskite4.3.3.1CaTiO3
AX2
Baddeleyite4.4.14.1ZrO2
Rutile4.4.1.1TiO2
Group 7 - MULTIPLE OXIDES
AB2X4
Chromite7.2.3.3Fe2+Cr3+2O4
Magnetite7.2.2.3Fe2+Fe3+2O4
Spinel7.2.1.1MgAl2O4
Ulvöspinel7.2.5.2TiFe2O4
Group 8 - MULTIPLE OXIDES CONTAINING NIOBIUM,TANTALUM OR TITANIUM
AB21O38
Lindsleyite (TL)8.5.1.8(Ba,Sr)(Zr,Ca)(Fe,Mg)2(Ti,Cr,Fe)18O38
Mathiasite8.5.1.7(K, Ba, Sr)(Zr, Fe)(Mg,Fe)2 (Ti,Cr,Fe)18O38
Group 14 - ANHYDROUS NORMAL CARBONATES
A(XO3)
Calcite14.1.1.1CaCO3
AB(XO3)2
Dolomite14.2.1.1CaMg(CO3)2
Group 28 - ANHYDROUS ACID AND NORMAL SULFATES
AXO4
Baryte28.3.1.1BaSO4
Group 51 - NESOSILICATES Insular SiO4 Groups Only
Insular SiO4 Groups Only with all cations in octahedral [6] coordination
Monticellite51.3.2.1CaMgSiO4
Group 65 - INOSILICATES Single-Width,Unbranched Chains,(W=1)
Single-Width Unbranched Chains, W=1 with chains P=2
Diopside65.1.3a.1CaMgSi2O6
Enstatite65.1.2.1MgSiO3
Single-Width Unbranched Chains, W=1 with chains P=3
Pectolite65.2.1.4aNaCa2Si3O8(OH)
Group 71 - PHYLLOSILICATES Sheets of Six-Membered Rings
Sheets of 6-membered rings with 2:1 layers
Kinoshitalite71.2.2c.5(Ba,K)(Mg,Mn2+,Al)3(Al2Si2O10)(OH)2
Phlogopite71.2.2b.1KMg3(AlSi3O10)(OH)2
Group 72 - PHYLLOSILICATES Two-Dimensional Infinite Sheets with Other Than Six-Membered Rings
Two-Dimensional Infinite Sheets with Other Than Six-Membered Rings with 3-, 4-, or 5-membered rings and 8-membered rings
Fluorapophyllite-(K)72.3.1.1KCa4(Si8O20)(F,OH) · 8H2O
Group 78 - Unclassified Silicates
Miscellaneous
Cebollite ?78.1.1.1Ca5Al2(SiO4)3(OH)4
Unclassified Minerals, Mixtures, etc.
'Apatite'-
'Chrome-Spinel (of Dana)'-
Diopside
var: Chromian Diopside
-Ca(Mg,Cr)Si2O6
'Fayalite-Forsterite Series'-
'Garnet Group'-X3Z2(SiO4)3
Ilmenite
var: Magnesian Chromian Ilmenite
-(Fe2+,Mg)(Ti,Cr)O3
'Monazite'-
Potassic-richterite-{K}{CaNa}{Mg5}Si8O22(OH)2
Rutile
var: Niobian Chromian Rutile
-(Ti,Nb,Cr)O2
'Serpentine Subgroup'-D3[Si2O5](OH)4 D= Mg, Fe, Ni, Mn, Al, Zn
'UM1975-09-O:BaCrFeMgTiV'-(Fe,Mg,Ba,Ca)3Cr3VTi7O23 or (Ba,Ca)(Fe5Mg3)(Cr7V4Ti20)O66 ?

List of minerals for each chemical element

HHydrogen
H PhlogopiteKMg3(AlSi3O10)(OH)2
H Potassic-richterite{K}{CaNa}{Mg5}Si8O22(OH)2
H Fluorapophyllite-(K)KCa4(Si8O20)(F,OH) · 8H2O
H PectoliteNaCa2Si3O8(OH)
H Kinoshitalite(Ba,K)(Mg,Mn2+,Al)3(Al2Si2O10)(OH)2
H Serpentine SubgroupD3[Si2O5](OH)4 D= Mg, Fe, Ni, Mn, Al, Zn
H CebolliteCa5Al2(SiO4)3(OH)4
CCarbon
C DiamondC
C DolomiteCaMg(CO3)2
C CalciteCaCO3
OOxygen
O Lindsleyite(Ba,Sr)(Zr,Ca)(Fe,Mg)2(Ti,Cr,Fe)18O38
O Mathiasite(K, Ba, Sr)(Zr, Fe)(Mg,Fe)2 (Ti,Cr,Fe)18O38
O PhlogopiteKMg3(AlSi3O10)(OH)2
O PerovskiteCaTiO3
O Diopside (var: Chromian Diopside)Ca(Mg,Cr)Si2O6
O Potassic-richterite{K}{CaNa}{Mg5}Si8O22(OH)2
O RutileTiO2
O IlmeniteFe2+TiO3
O EnstatiteMgSiO3
O Fluorapophyllite-(K)KCa4(Si8O20)(F,OH) · 8H2O
O MonticelliteCaMgSiO4
O ChromiteFe2+Cr23+O4
O Garnet GroupX3Z2(SiO4)3
O PectoliteNaCa2Si3O8(OH)
O Rutile (var: Niobian Chromian Rutile)(Ti,Nb,Cr)O2
O Ilmenite (var: Magnesian Chromian Ilmenite)(Fe2+,Mg)(Ti,Cr)O3
O UM1975-09-O:BaCrFeMgTiV(Fe,Mg,Ba,Ca)3Cr3VTi7O23 or (Ba,Ca)(Fe5Mg3)(Cr7V4Ti20)O66 ?
O DiopsideCaMgSi2O6
O SpinelMgAl2O4
O Kinoshitalite(Ba,K)(Mg,Mn2+,Al)3(Al2Si2O10)(OH)2
O BaddeleyiteZrO2
O Serpentine SubgroupD3[Si2O5](OH)4 D= Mg, Fe, Ni, Mn, Al, Zn
O DolomiteCaMg(CO3)2
O CalciteCaCO3
O BaryteBaSO4
O UlvöspinelTiFe2O4
O MagnetiteFe2+Fe23+O4
O CebolliteCa5Al2(SiO4)3(OH)4
FFluorine
F Fluorapophyllite-(K)KCa4(Si8O20)(F,OH) · 8H2O
NaSodium
Na Potassic-richterite{K}{CaNa}{Mg5}Si8O22(OH)2
Na PectoliteNaCa2Si3O8(OH)
MgMagnesium
Mg Lindsleyite(Ba,Sr)(Zr,Ca)(Fe,Mg)2(Ti,Cr,Fe)18O38
Mg Mathiasite(K, Ba, Sr)(Zr, Fe)(Mg,Fe)2 (Ti,Cr,Fe)18O38
Mg PhlogopiteKMg3(AlSi3O10)(OH)2
Mg Diopside (var: Chromian Diopside)Ca(Mg,Cr)Si2O6
Mg Potassic-richterite{K}{CaNa}{Mg5}Si8O22(OH)2
Mg EnstatiteMgSiO3
Mg MonticelliteCaMgSiO4
Mg Ilmenite (var: Magnesian Chromian Ilmenite)(Fe2+,Mg)(Ti,Cr)O3
Mg UM1975-09-O:BaCrFeMgTiV(Fe,Mg,Ba,Ca)3Cr3VTi7O23 or (Ba,Ca)(Fe5Mg3)(Cr7V4Ti20)O66 ?
Mg DiopsideCaMgSi2O6
Mg SpinelMgAl2O4
Mg Kinoshitalite(Ba,K)(Mg,Mn2+,Al)3(Al2Si2O10)(OH)2
Mg Serpentine SubgroupD3[Si2O5](OH)4 D= Mg, Fe, Ni, Mn, Al, Zn
Mg DolomiteCaMg(CO3)2
AlAluminium
Al PhlogopiteKMg3(AlSi3O10)(OH)2
Al SpinelMgAl2O4
Al Kinoshitalite(Ba,K)(Mg,Mn2+,Al)3(Al2Si2O10)(OH)2
Al Serpentine SubgroupD3[Si2O5](OH)4 D= Mg, Fe, Ni, Mn, Al, Zn
Al CebolliteCa5Al2(SiO4)3(OH)4
SiSilicon
Si PhlogopiteKMg3(AlSi3O10)(OH)2
Si Diopside (var: Chromian Diopside)Ca(Mg,Cr)Si2O6
Si Potassic-richterite{K}{CaNa}{Mg5}Si8O22(OH)2
Si EnstatiteMgSiO3
Si Fluorapophyllite-(K)KCa4(Si8O20)(F,OH) · 8H2O
Si MonticelliteCaMgSiO4
Si Garnet GroupX3Z2(SiO4)3
Si PectoliteNaCa2Si3O8(OH)
Si DiopsideCaMgSi2O6
Si Kinoshitalite(Ba,K)(Mg,Mn2+,Al)3(Al2Si2O10)(OH)2
Si Serpentine SubgroupD3[Si2O5](OH)4 D= Mg, Fe, Ni, Mn, Al, Zn
Si CebolliteCa5Al2(SiO4)3(OH)4
SSulfur
S BaryteBaSO4
KPotassium
K Mathiasite(K, Ba, Sr)(Zr, Fe)(Mg,Fe)2 (Ti,Cr,Fe)18O38
K PhlogopiteKMg3(AlSi3O10)(OH)2
K Potassic-richterite{K}{CaNa}{Mg5}Si8O22(OH)2
K Fluorapophyllite-(K)KCa4(Si8O20)(F,OH) · 8H2O
K Kinoshitalite(Ba,K)(Mg,Mn2+,Al)3(Al2Si2O10)(OH)2
CaCalcium
Ca Lindsleyite(Ba,Sr)(Zr,Ca)(Fe,Mg)2(Ti,Cr,Fe)18O38
Ca Mathiasite(K, Ba, Sr)(Zr, Fe)(Mg,Fe)2 (Ti,Cr,Fe)18O38
Ca PerovskiteCaTiO3
Ca Diopside (var: Chromian Diopside)Ca(Mg,Cr)Si2O6
Ca Potassic-richterite{K}{CaNa}{Mg5}Si8O22(OH)2
Ca Fluorapophyllite-(K)KCa4(Si8O20)(F,OH) · 8H2O
Ca MonticelliteCaMgSiO4
Ca PectoliteNaCa2Si3O8(OH)
Ca UM1975-09-O:BaCrFeMgTiV(Fe,Mg,Ba,Ca)3Cr3VTi7O23 or (Ba,Ca)(Fe5Mg3)(Cr7V4Ti20)O66 ?
Ca DiopsideCaMgSi2O6
Ca DolomiteCaMg(CO3)2
Ca CalciteCaCO3
Ca CebolliteCa5Al2(SiO4)3(OH)4
TiTitanium
Ti Lindsleyite(Ba,Sr)(Zr,Ca)(Fe,Mg)2(Ti,Cr,Fe)18O38
Ti Mathiasite(K, Ba, Sr)(Zr, Fe)(Mg,Fe)2 (Ti,Cr,Fe)18O38
Ti PerovskiteCaTiO3
Ti RutileTiO2
Ti IlmeniteFe2+TiO3
Ti Rutile (var: Niobian Chromian Rutile)(Ti,Nb,Cr)O2
Ti Ilmenite (var: Magnesian Chromian Ilmenite)(Fe2+,Mg)(Ti,Cr)O3
Ti UM1975-09-O:BaCrFeMgTiV(Fe,Mg,Ba,Ca)3Cr3VTi7O23 or (Ba,Ca)(Fe5Mg3)(Cr7V4Ti20)O66 ?
Ti UlvöspinelTiFe2O4
VVanadium
V UM1975-09-O:BaCrFeMgTiV(Fe,Mg,Ba,Ca)3Cr3VTi7O23 or (Ba,Ca)(Fe5Mg3)(Cr7V4Ti20)O66 ?
CrChromium
Cr Lindsleyite(Ba,Sr)(Zr,Ca)(Fe,Mg)2(Ti,Cr,Fe)18O38
Cr Mathiasite(K, Ba, Sr)(Zr, Fe)(Mg,Fe)2 (Ti,Cr,Fe)18O38
Cr Diopside (var: Chromian Diopside)Ca(Mg,Cr)Si2O6
Cr ChromiteFe2+Cr23+O4
Cr Rutile (var: Niobian Chromian Rutile)(Ti,Nb,Cr)O2
Cr Ilmenite (var: Magnesian Chromian Ilmenite)(Fe2+,Mg)(Ti,Cr)O3
Cr UM1975-09-O:BaCrFeMgTiV(Fe,Mg,Ba,Ca)3Cr3VTi7O23 or (Ba,Ca)(Fe5Mg3)(Cr7V4Ti20)O66 ?
MnManganese
Mn Kinoshitalite(Ba,K)(Mg,Mn2+,Al)3(Al2Si2O10)(OH)2
Mn Serpentine SubgroupD3[Si2O5](OH)4 D= Mg, Fe, Ni, Mn, Al, Zn
FeIron
Fe Lindsleyite(Ba,Sr)(Zr,Ca)(Fe,Mg)2(Ti,Cr,Fe)18O38
Fe Mathiasite(K, Ba, Sr)(Zr, Fe)(Mg,Fe)2 (Ti,Cr,Fe)18O38
Fe IlmeniteFe2+TiO3
Fe ChromiteFe2+Cr23+O4
Fe Ilmenite (var: Magnesian Chromian Ilmenite)(Fe2+,Mg)(Ti,Cr)O3
Fe UM1975-09-O:BaCrFeMgTiV(Fe,Mg,Ba,Ca)3Cr3VTi7O23 or (Ba,Ca)(Fe5Mg3)(Cr7V4Ti20)O66 ?
Fe Serpentine SubgroupD3[Si2O5](OH)4 D= Mg, Fe, Ni, Mn, Al, Zn
Fe UlvöspinelTiFe2O4
Fe MagnetiteFe2+Fe23+O4
NiNickel
Ni Serpentine SubgroupD3[Si2O5](OH)4 D= Mg, Fe, Ni, Mn, Al, Zn
ZnZinc
Zn Serpentine SubgroupD3[Si2O5](OH)4 D= Mg, Fe, Ni, Mn, Al, Zn
SrStrontium
Sr Lindsleyite(Ba,Sr)(Zr,Ca)(Fe,Mg)2(Ti,Cr,Fe)18O38
ZrZirconium
Zr Lindsleyite(Ba,Sr)(Zr,Ca)(Fe,Mg)2(Ti,Cr,Fe)18O38
Zr Mathiasite(K, Ba, Sr)(Zr, Fe)(Mg,Fe)2 (Ti,Cr,Fe)18O38
Zr BaddeleyiteZrO2
NbNiobium
Nb Rutile (var: Niobian Chromian Rutile)(Ti,Nb,Cr)O2
BaBarium
Ba Lindsleyite(Ba,Sr)(Zr,Ca)(Fe,Mg)2(Ti,Cr,Fe)18O38
Ba UM1975-09-O:BaCrFeMgTiV(Fe,Mg,Ba,Ca)3Cr3VTi7O23 or (Ba,Ca)(Fe5Mg3)(Cr7V4Ti20)O66 ?
Ba Kinoshitalite(Ba,K)(Mg,Mn2+,Al)3(Al2Si2O10)(OH)2
Ba BaryteBaSO4

Regional Geology

This geological map and associated information on rock units at or nearby to the coordinates given for this locality is based on relatively small scale geological maps provided by various national Geological Surveys. This does not necessarily represent the complete geology at this locality but it gives a background for the region in which it is found.

Click on geological units on the map for more information. Click here to view full-screen map on Macrostrat.org

Quaternary
0 - 2.588 Ma



ID: 3308871

Age: Pleistocene (0 - 2.588 Ma)

Lithology: Sedimentary

Reference: Thiéblemont, D. (ed.). New edition of the 1:10,000,000 geological map of Africa. CGMW-BRGM. [190]

Jurassic
145 - 201.3 Ma



ID: 2238599
Karoo Dolerite Suite

Age: Jurassic (145 - 201.3 Ma)

Stratigraphic Name: Karoo Dolerite Suite

Description: Network of dolerite sills, sheets and dykes, mainly intrusive into the Karoo Supergroup

Reference: Council for Geoscience. Geologic map of South Africa, 1:1M. National Science Councils of South Africa. [41]

Permian
251.902 - 298.9 Ma



ID: 3189153
Paleozoic sedimentary rocks

Age: Phanerozoic (251.902 - 298.9 Ma)

Stratigraphic Name: Karoo Supergroup

Comments: Karoo Basin

Lithology: Sedimentary rocks

Reference: Chorlton, L.B. Generalized geology of the world: bedrock domains and major faults in GIS format: a small-scale world geology map with an extended geological attribute database. doi: 10.4095/223767. Geological Survey of Canada, Open File 5529. [154]

Data and map coding provided by Macrostrat.org, used under Creative Commons Attribution 4.0 License

References

Sort by

Year (asc) Year (desc) Author (A-Z) Author (Z-A)
- 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.
Clement, C.R., Harris, K.W., Robinson, D.N. and Hawthorne, J.B., (1986). The De Beers kimberlite pipe a historic South African diamond mine. In: Anhaeusser, C.R. and Maske, S., (Eds.). Mineral Deposits of Southern Africa, Vols I & II, Geological Society of South Africa, Johannesburg, 2193-2214.
- 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.
Soltys, A., Giuliani, A., & Phillips, D. (2018). Crystallisation sequence and magma evolution of the De Beers dyke (Kimberley, South Africa). Mineralogy and Petrology, 1-16.


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