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Speelmanskop Farm 571, Cradock, Inxuba Yethemba Local Municipality, Chris Hani District Municipality, Eastern Cape, South Africai
Regional Level Types
Speelmanskop Farm 571Farm
CradockTown
Inxuba Yethemba Local MunicipalityMunicipality
Chris Hani District MunicipalityMunicipality
Eastern CapeProvince
South AfricaCountry

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PhotosMapsSearch
Latitude & Longitude (WGS84):
31° 53' 50'' South , 25° 35' 10'' East
Latitude & Longitude (decimal):
-31.89722,25.58611
GeoHash:
G#: kd64w1r1p
GRN:
S22E16
Type:
Farm
Köppen climate type:
BSk : Cold semi-arid (steppe) climate
Nearest Settlements:
PlacePopulationDistance
Cradock32,898 (2012)29.8km
Mindat Locality ID:
203590
Long-form identifier:
mindat:1:2:203590:4
GUID (UUID V4):
bab2838d-363a-44fb-9db2-a2aef08bef6e


Graphite containing nodules and sulphide-arsenide mineralizations occurring in the contact zone between Karoo dolerite and the top of a sheet-like granodiorite intrusion.
Located about 30 km north of Cradock.

Select Mineral List Type

Standard Detailed Gallery Strunz Chemical Elements

Mineral List


14 valid minerals.

Detailed Mineral List:

ⓘ Chalcopyrite
Formula: CuFeS2
ⓘ 'Chlorite Group'
ⓘ Clinochlore
Formula: Mg5Al(AlSi3O10)(OH)8
ⓘ Clinochlore var. Ripidolite
Formula: (Mg,Fe,Al)6(Si,Al)4O10(OH)8
ⓘ Covellite
Formula: CuS
ⓘ Gersdorffite
Formula: NiAsS
ⓘ Gersdorffite var. Cobalt-bearing Gersdorffite
Formula: (Ni,Co)AsS with Os,Ir,Ru,Rh
ⓘ Goethite
Formula: α-Fe3+O(OH)
ⓘ Gold
Formula: Au
ⓘ Graphite
Formula: C
ⓘ Kaolinite
Formula: Al2(Si2O5)(OH)4
ⓘ Marcasite
Formula: FeS2
ⓘ Molybdenite
Formula: MoS2
ⓘ Muscovite
Formula: KAl2(AlSi3O10)(OH)2
ⓘ Muscovite var. Sericite
Formula: KAl2(AlSi3O10)(OH)2
ⓘ Nickeline
Formula: NiAs
ⓘ 'Saussurite'
ⓘ Sphalerite
Formula: ZnS
ⓘ Talnakhite ?
Formula: Cu9(Fe,Ni)8S16

Gallery:

List of minerals arranged by Strunz 10th Edition classification

Group 1 - Elements
ⓘGold1.AA.05Au
ⓘGraphite1.CB.05aC
Group 2 - Sulphides and Sulfosalts
ⓘCovellite2.CA.05aCuS
ⓘSphalerite2.CB.05aZnS
ⓘChalcopyrite2.CB.10aCuFeS2
ⓘTalnakhite ?2.CB.10bCu9(Fe,Ni)8S16
ⓘNickeline2.CC.05NiAs
ⓘMolybdenite2.EA.30MoS2
ⓘMarcasite2.EB.10aFeS2
ⓘGersdorffite
var. Cobalt-bearing Gersdorffite		2.EB.25(Ni,Co)AsS with Os,Ir,Ru,Rh
ⓘ2.EB.25NiAsS
Group 4 - Oxides and Hydroxides
ⓘGoethite4.00.α-Fe3+O(OH)
Group 9 - Silicates
ⓘMuscovite9.EC.15KAl2(AlSi3O10)(OH)2
ⓘvar. Sericite9.EC.15KAl2(AlSi3O10)(OH)2
ⓘClinochlore
var. Ripidolite		9.EC.55(Mg,Fe,Al)6(Si,Al)4O10(OH)8
ⓘ9.EC.55Mg5Al(AlSi3O10)(OH)8
ⓘKaolinite9.ED.05Al2(Si2O5)(OH)4
Unclassified
ⓘ'Chlorite Group'-
ⓘ'Saussurite'-

List of minerals for each chemical element

HHydrogen
Hⓘ ClinochloreMg5Al(AlSi3O10)(OH)8
Hⓘ Goethiteα-Fe3+O(OH)
Hⓘ KaoliniteAl2(Si2O5)(OH)4
Hⓘ MuscoviteKAl2(AlSi3O10)(OH)2
Hⓘ Clinochlore var. Ripidolite(Mg,Fe,Al)6(Si,Al)4O10(OH)8
Hⓘ Muscovite var. SericiteKAl2(AlSi3O10)(OH)2
CCarbon
Cⓘ GraphiteC
OOxygen
Oⓘ ClinochloreMg5Al(AlSi3O10)(OH)8
Oⓘ Goethiteα-Fe3+O(OH)
Oⓘ KaoliniteAl2(Si2O5)(OH)4
Oⓘ MuscoviteKAl2(AlSi3O10)(OH)2
Oⓘ Clinochlore var. Ripidolite(Mg,Fe,Al)6(Si,Al)4O10(OH)8
Oⓘ Muscovite var. SericiteKAl2(AlSi3O10)(OH)2
MgMagnesium
Mgⓘ ClinochloreMg5Al(AlSi3O10)(OH)8
Mgⓘ Clinochlore var. Ripidolite(Mg,Fe,Al)6(Si,Al)4O10(OH)8
AlAluminium
Alⓘ ClinochloreMg5Al(AlSi3O10)(OH)8
Alⓘ KaoliniteAl2(Si2O5)(OH)4
Alⓘ MuscoviteKAl2(AlSi3O10)(OH)2
Alⓘ Clinochlore var. Ripidolite(Mg,Fe,Al)6(Si,Al)4O10(OH)8
Alⓘ Muscovite var. SericiteKAl2(AlSi3O10)(OH)2
SiSilicon
Siⓘ ClinochloreMg5Al(AlSi3O10)(OH)8
Siⓘ KaoliniteAl2(Si2O5)(OH)4
Siⓘ MuscoviteKAl2(AlSi3O10)(OH)2
Siⓘ Clinochlore var. Ripidolite(Mg,Fe,Al)6(Si,Al)4O10(OH)8
Siⓘ Muscovite var. SericiteKAl2(AlSi3O10)(OH)2
SSulfur
Sⓘ ChalcopyriteCuFeS2
Sⓘ CovelliteCuS
Sⓘ GersdorffiteNiAsS
Sⓘ MarcasiteFeS2
Sⓘ MolybdeniteMoS2
Sⓘ SphaleriteZnS
Sⓘ TalnakhiteCu9(Fe,Ni)8S16
Sⓘ Gersdorffite var. Cobalt-bearing Gersdorffite(Ni,Co)AsS with Os,Ir,Ru,Rh
KPotassium
Kⓘ MuscoviteKAl2(AlSi3O10)(OH)2
Kⓘ Muscovite var. SericiteKAl2(AlSi3O10)(OH)2
FeIron
Feⓘ ChalcopyriteCuFeS2
Feⓘ Goethiteα-Fe3+O(OH)
Feⓘ MarcasiteFeS2
Feⓘ Clinochlore var. Ripidolite(Mg,Fe,Al)6(Si,Al)4O10(OH)8
Feⓘ TalnakhiteCu9(Fe,Ni)8S16
CoCobalt
Coⓘ Gersdorffite var. Cobalt-bearing Gersdorffite(Ni,Co)AsS with Os,Ir,Ru,Rh
NiNickel
Niⓘ GersdorffiteNiAsS
Niⓘ NickelineNiAs
Niⓘ TalnakhiteCu9(Fe,Ni)8S16
Niⓘ Gersdorffite var. Cobalt-bearing Gersdorffite(Ni,Co)AsS with Os,Ir,Ru,Rh
CuCopper
Cuⓘ ChalcopyriteCuFeS2
Cuⓘ CovelliteCuS
Cuⓘ TalnakhiteCu9(Fe,Ni)8S16
ZnZinc
Znⓘ SphaleriteZnS
AsArsenic
Asⓘ GersdorffiteNiAsS
Asⓘ NickelineNiAs
Asⓘ Gersdorffite var. Cobalt-bearing Gersdorffite(Ni,Co)AsS with Os,Ir,Ru,Rh
MoMolybdenum
Moⓘ MolybdeniteMoS2
RuRuthenium
Ruⓘ Gersdorffite var. Cobalt-bearing Gersdorffite(Ni,Co)AsS with Os,Ir,Ru,Rh
RhRhodium
Rhⓘ Gersdorffite var. Cobalt-bearing Gersdorffite(Ni,Co)AsS with Os,Ir,Ru,Rh
OsOsmium
Osⓘ Gersdorffite var. Cobalt-bearing Gersdorffite(Ni,Co)AsS with Os,Ir,Ru,Rh
IrIridium
Irⓘ Gersdorffite var. Cobalt-bearing Gersdorffite(Ni,Co)AsS with Os,Ir,Ru,Rh
AuGold
Auⓘ GoldAu

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.

References

Henning, A., van der Westhuizen, W.A., de Bruiyn, H., and Beukes, G.J. (1997): Hydrothermal Cu-Ni-Au-Ag mineralization in a granodiorite sill north of Cradock, Republic of South Africa. Mineralium Deposita 32, 410-418.
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