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Tweefontein Farm, Mokopane, Mogalakwena Local Municipality, Waterberg District Municipality, Limpopo, South Africai
Regional Level Types
Tweefontein FarmFarm
MokopaneTown
Mogalakwena Local MunicipalityMunicipality
Waterberg District MunicipalityMunicipality
LimpopoProvince
South AfricaCountry

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PhotosMapsSearch
08378450017271926833864.jpg
Stibiopalladinite, etc.

Tweefontein Farm, Mokopane, Mogalakwena Local Municipality, Waterberg District Municipality, Limpopo, South Africa
00351540017272055678888.jpg
Stibiopalladinite

Tweefontein Farm, Mokopane, Mogalakwena Local Municipality, Waterberg District Municipality, Limpopo, South Africa
05787410017272055672154.jpg
Sperrylite

Tweefontein Farm, Mokopane, Mogalakwena Local Municipality, Waterberg District Municipality, Limpopo, South Africa
05140560017271926761021.jpg
Stibiopalladinite, etc.

Tweefontein Farm, Mokopane, Mogalakwena Local Municipality, Waterberg District Municipality, Limpopo, South Africa
09523910017271926795018.jpg
Stibiopalladinite

Tweefontein Farm, Mokopane, Mogalakwena Local Municipality, Waterberg District Municipality, Limpopo, South Africa
05787410017272055672154.jpg
Sperrylite

Tweefontein Farm, Mokopane, Mogalakwena Local Municipality, Waterberg District Municipality, Limpopo, South Africa
08378450017271926833864.jpg
Stibiopalladinite, etc.

Tweefontein Farm, Mokopane, Mogalakwena Local Municipality, Waterberg District Municipality, Limpopo, South Africa
09523910017271926795018.jpg
Stibiopalladinite

Tweefontein Farm, Mokopane, Mogalakwena Local Municipality, Waterberg District Municipality, Limpopo, South Africa
Latitude & Longitude (WGS84):
24° 0' 10'' South , 28° 50' 0'' East
Latitude & Longitude (decimal):
-24.00278,28.83333
GRN:
S17E19
Type:
Farm
Köppen climate type:
BSh : Hot semi-arid (steppe) climate
Nearest Settlements:
PlacePopulationDistance
Mokopane101,090 (2012)27.8km
Mindat Locality ID:
25532
Long-form identifier:
mindat:1:2:25532:0
GUID (UUID V4):
0


A chromium mine. Located about 15 km NW of Mokopane.
238 KR (1033)

Select Mineral List Type

Standard Detailed Gallery Strunz Chemical Elements

Commodity List

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


Mineral List


29 valid minerals. 1 (TL) - type locality of valid minerals.

Rock Types Recorded


Select Rock List Type

Alphabetical List Tree Diagram

Detailed Mineral List:

ⓘ Actinolite
Formula: ◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2
ⓘ Bornite
Formula: Cu5FeS4
ⓘ Braggite
Formula: PdPt3S4
ⓘ Chalcopyrite
Formula: CuFeS2
ⓘ 'Chlorite Group'
ⓘ Chromite
Formula: Fe2+Cr3+2O4
ⓘ Chrysocolla
Formula: Cu2-xAlx(H2-xSi2O5)(OH)4 · nH2O, x < 1
ⓘ 'Clinopyroxene Subgroup'
ⓘ Cooperite
Formula: PtS
ⓘ Cordierite
Formula: Mg2Al4Si5O18
ⓘ Dolomite
Formula: CaMg(CO3)2
ⓘ Fayalite
Formula: Fe2+2(SiO4)
ⓘ Forsterite
Formula: Mg2(SiO4)
ⓘ Galena
Formula: PbS
ⓘ 'Garnet Group'
Formula: X3Z2(SiO4)3
ⓘ Isoferroplatinum
Formula: Pt3Fe
ⓘ Laurite
Formula: RuS2
ⓘ Magnetite
Formula: Fe2+Fe3+2O4
ⓘ Mertieite
Formula: Pd8Sb2.5As0.5
ⓘ Millerite
Formula: NiS
ⓘ Muscovite
Formula: KAl2(AlSi3O10)(OH)2
ⓘ Muscovite var. Sericite
Formula: KAl2(AlSi3O10)(OH)2
ⓘ Native Platinum
Formula: Pt
ⓘ Native Ruthenium
Formula: (Ru,Ir)
ⓘ Pentlandite
Formula: (NixFey)Σ9S8
ⓘ 'Plagioclase'
Formula: (Na,Ca)[(Si,Al)AlSi2]O8
ⓘ Pyrite
Formula: FeS2
ⓘ Pyrrhotite
Formula: Fe1-xS
ⓘ Quartz
Formula: SiO2
ⓘ Ruthenarsenite
Formula: (Ru,Ni)As
ⓘ Rutile
Formula: TiO2
ⓘ 'Serpentine Subgroup'
Formula: D3[Si2O5](OH)4
✪ Sperrylite
Formula: PtAs2
Description: Crystals known to 3.5cm see photo ID 729804, the large loose crystal is 3.5cm Historical specimen in NHM, London 6.2 x 5.1 cm with a single xx 2.4 x 1.9, year 1924 [see Bancroft, Peter (1973) The World's Finest Minerals and Crystals].
ⓘ Sphalerite
Formula: ZnS
ⓘ Stibiopalladinite (TL)
Formula: Pd5Sb2
Type Locality:

List of minerals arranged by Strunz 10th Edition classification

Group 1 - Elements
ⓘNative Ruthenium1.AF.05(Ru,Ir)
ⓘNative Platinum1.AF.10Pt
ⓘIsoferroplatinum1.AG.35Pt3Fe
Group 2 - Sulphides and Sulfosalts
ⓘMertieite2.AC.10bPd8Sb2.5As0.5
ⓘStibiopalladinite (TL)2.AC.20aPd5Sb2
ⓘBornite2.BA.15Cu5FeS4
ⓘPentlandite2.BB.15(NixFey)Σ9S8
ⓘSphalerite2.CB.05aZnS
ⓘChalcopyrite2.CB.10aCuFeS2
ⓘPyrrhotite2.CC.10Fe1-xS
ⓘRuthenarsenite2.CC.15(Ru,Ni)As
ⓘMillerite2.CC.20NiS
ⓘBraggite2.CC.35aPdPt3S4
ⓘCooperite2.CC.35bPtS
ⓘGalena2.CD.10PbS
ⓘLaurite2.EB.05aRuS2
ⓘPyrite2.EB.05aFeS2
ⓘSperrylite2.EB.05aPtAs2
Group 4 - Oxides and Hydroxides
ⓘChromite4.BB.05Fe2+Cr3+2O4
ⓘMagnetite4.BB.05Fe2+Fe3+2O4
ⓘQuartz4.DA.05SiO2
ⓘRutile4.DB.05TiO2
Group 5 - Nitrates and Carbonates
ⓘDolomite5.AB.10CaMg(CO3)2
Group 9 - Silicates
ⓘFayalite9.AC.05Fe2+2(SiO4)
ⓘForsterite9.AC.05Mg2(SiO4)
ⓘCordierite9.CJ.10Mg2Al4Si5O18
ⓘActinolite9.DE.10◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2
ⓘMuscovite9.EC.15KAl2(AlSi3O10)(OH)2
ⓘvar. Sericite9.EC.15KAl2(AlSi3O10)(OH)2
ⓘChrysocolla9.ED.20Cu2-xAlx(H2-xSi2O5)(OH)4 · nH2O, x < 1
Unclassified
ⓘ'Chlorite Group'-
ⓘ'Clinopyroxene Subgroup'-
ⓘ'Plagioclase'-(Na,Ca)[(Si,Al)AlSi2]O8
ⓘ'Garnet Group'-X3Z2(SiO4)3
ⓘ'Serpentine Subgroup'-D3[Si2O5](OH)4

List of minerals for each chemical element

HHydrogen
Hⓘ Actinolite◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2
Hⓘ ChrysocollaCu2-xAlx(H2-xSi2O5)(OH)4 · nH2O, x < 1
Hⓘ MuscoviteKAl2(AlSi3O10)(OH)2
Hⓘ Muscovite var. SericiteKAl2(AlSi3O10)(OH)2
Hⓘ Serpentine SubgroupD3[Si2O5](OH)4
CCarbon
Cⓘ DolomiteCaMg(CO3)2
OOxygen
Oⓘ Actinolite◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2
Oⓘ ChromiteFe2+Cr23+O4
Oⓘ ChrysocollaCu2-xAlx(H2-xSi2O5)(OH)4 · nH2O, x < 1
Oⓘ CordieriteMg2Al4Si5O18
Oⓘ DolomiteCaMg(CO3)2
Oⓘ FayaliteFe22+(SiO4)
Oⓘ ForsteriteMg2(SiO4)
Oⓘ MagnetiteFe2+Fe23+O4
Oⓘ MuscoviteKAl2(AlSi3O10)(OH)2
Oⓘ QuartzSiO2
Oⓘ RutileTiO2
Oⓘ Muscovite var. SericiteKAl2(AlSi3O10)(OH)2
Oⓘ Plagioclase(Na,Ca)[(Si,Al)AlSi2]O8
Oⓘ Garnet GroupX3Z2(SiO4)3
Oⓘ Serpentine SubgroupD3[Si2O5](OH)4
NaSodium
Naⓘ Plagioclase(Na,Ca)[(Si,Al)AlSi2]O8
MgMagnesium
Mgⓘ Actinolite◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2
Mgⓘ CordieriteMg2Al4Si5O18
Mgⓘ DolomiteCaMg(CO3)2
Mgⓘ ForsteriteMg2(SiO4)
AlAluminium
Alⓘ ChrysocollaCu2-xAlx(H2-xSi2O5)(OH)4 · nH2O, x < 1
Alⓘ CordieriteMg2Al4Si5O18
Alⓘ MuscoviteKAl2(AlSi3O10)(OH)2
Alⓘ Muscovite var. SericiteKAl2(AlSi3O10)(OH)2
Alⓘ Plagioclase(Na,Ca)[(Si,Al)AlSi2]O8
SiSilicon
Siⓘ Actinolite◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2
Siⓘ ChrysocollaCu2-xAlx(H2-xSi2O5)(OH)4 · nH2O, x < 1
Siⓘ CordieriteMg2Al4Si5O18
Siⓘ FayaliteFe22+(SiO4)
Siⓘ ForsteriteMg2(SiO4)
Siⓘ MuscoviteKAl2(AlSi3O10)(OH)2
Siⓘ QuartzSiO2
Siⓘ Muscovite var. SericiteKAl2(AlSi3O10)(OH)2
Siⓘ Plagioclase(Na,Ca)[(Si,Al)AlSi2]O8
Siⓘ Garnet GroupX3Z2(SiO4)3
Siⓘ Serpentine SubgroupD3[Si2O5](OH)4
SSulfur
Sⓘ BorniteCu5FeS4
Sⓘ BraggitePdPt3S4
Sⓘ ChalcopyriteCuFeS2
Sⓘ CooperitePtS
Sⓘ GalenaPbS
Sⓘ LauriteRuS2
Sⓘ MilleriteNiS
Sⓘ Pentlandite(NixFey)Σ9S8
Sⓘ PyriteFeS2
Sⓘ PyrrhotiteFe1-xS
Sⓘ SphaleriteZnS
KPotassium
Kⓘ MuscoviteKAl2(AlSi3O10)(OH)2
Kⓘ Muscovite var. SericiteKAl2(AlSi3O10)(OH)2
CaCalcium
Caⓘ Actinolite◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2
Caⓘ DolomiteCaMg(CO3)2
Caⓘ Plagioclase(Na,Ca)[(Si,Al)AlSi2]O8
TiTitanium
Tiⓘ RutileTiO2
CrChromium
Crⓘ ChromiteFe2+Cr23+O4
FeIron
Feⓘ Actinolite◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2
Feⓘ BorniteCu5FeS4
Feⓘ ChalcopyriteCuFeS2
Feⓘ ChromiteFe2+Cr23+O4
Feⓘ FayaliteFe22+(SiO4)
Feⓘ IsoferroplatinumPt3Fe
Feⓘ MagnetiteFe2+Fe23+O4
Feⓘ Pentlandite(NixFey)Σ9S8
Feⓘ PyriteFeS2
Feⓘ PyrrhotiteFe1-xS
NiNickel
Niⓘ MilleriteNiS
Niⓘ Pentlandite(NixFey)Σ9S8
Niⓘ Ruthenarsenite(Ru,Ni)As
CuCopper
Cuⓘ BorniteCu5FeS4
Cuⓘ ChalcopyriteCuFeS2
Cuⓘ ChrysocollaCu2-xAlx(H2-xSi2O5)(OH)4 · nH2O, x < 1
ZnZinc
Znⓘ SphaleriteZnS
AsArsenic
Asⓘ MertieitePd8Sb2.5As0.5
Asⓘ Ruthenarsenite(Ru,Ni)As
Asⓘ SperrylitePtAs2
RuRuthenium
Ruⓘ LauriteRuS2
Ruⓘ Ruthenarsenite(Ru,Ni)As
Ruⓘ Native Ruthenium(Ru,Ir)
PdPalladium
Pdⓘ BraggitePdPt3S4
Pdⓘ MertieitePd8Sb2.5As0.5
Pdⓘ StibiopalladinitePd5Sb2
SbAntimony
Sbⓘ MertieitePd8Sb2.5As0.5
Sbⓘ StibiopalladinitePd5Sb2
IrIridium
Irⓘ Native Ruthenium(Ru,Ir)
PtPlatinum
Ptⓘ BraggitePdPt3S4
Ptⓘ CooperitePtS
Ptⓘ IsoferroplatinumPt3Fe
Ptⓘ Native PlatinumPt
Ptⓘ SperrylitePtAs2
PbLead
Pbⓘ GalenaPbS

Other Regions, Features and Areas containing this locality

AfricaContinent
African Plate
Somali PlateTectonic Plate
South Africa

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.

References

Wagner, Percy A. (1929) The Platinum Deposits and Mines of South Africa. Oliver and Boyd.
Cabri, Louis J., Chen, Tzong T. (1976) Stibiopalladinite from the type locality. American Mineralogist, 61 (11-12) 1249-1254
Buchanan, D.L., Nolan, J. Suddaby, P., Rouse, J. E., Viljoen, M.J. & Davenport, W.J. (1981): The genesis of sulfide mineralization in a portion of ther Potgietersrus limb of the Bushveld Complex. Economic Geolology. 76:568-579
Mining Annual Review (1985): 92.
Zaccarini, F., Garuti, G., Cawthorn, R. G. (2002) Platinum-group minerals in chromitite xenoliths from the Onverwacht and Tweefontein ultramafic pipes, eastern Bushveld Complex. The Canadian Mineralogist, 40 (2). 481-497 doi:10.2113/gscanmin.40.2.481
Wilson, Wendell E. (2010) Sperrylite from the Tweefontein Farm, Limpopo Province, South Africa. The Mineralogical Record, 41 (2) 147-155
McCutcheon, S. (2013). Platinum-group mineral assemblages in the Platreef on Tweefontein, Northern Bushveld complex, South Africa Masters thesis University of the Witwatersrand.
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