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Postmasburg manganese field, Northern Cape, South Africai
Regional Level Types
Postmasburg manganese fieldMining Field
Northern CapeProvince
South AfricaCountry

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Mindat Locality ID:
11062
Long-form identifier:
mindat:1:2:11062:9
GUID (UUID V4):
0


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Standard Detailed Gallery Strunz Chemical Elements

Commodity List

This is a list of exploitable or exploited mineral commodities recorded from this region.


Mineral List

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

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

Rock Types Recorded

Note: data is currently VERY limited. Please bear with us while we work towards adding this information!

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

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Alphabetical List Tree Diagram

Detailed Mineral List:

Aegirine
Formula: NaFe3+Si2O6
Akdalaite
Formula: Al10O14(OH)2
Description: ROM specimen M16225
Alabandite
Formula: MnS
Description: Reference given (Collection Elmar Lackner) is erroneous see http://www.mindat.org/mesg-7-152224.html. There is no manganese sulphides at Postmasburg as advised by Bruce Cairncross in personal communication. Debbie Woolf
Albite
Formula: Na(AlSi3O8)
Amesite
Formula: Mg2Al(AlSiO5)(OH)4
'Amesite-2H1'
Formula: (Mg2Al)(SiAl)O5(OH)4
Habit: Small, hexagonal prisms
Colour: White to pale greenish-gray
Description: Occurring in clusters or disseminated in bixbyite ore
'Apatite'
Formula: Ca5(PO4)3(Cl/F/OH)
Armbrusterite
Formula: K5Na7Mn15[(Si9O22)4](OH)10 · 4H2O
Banalsite
Formula: Na2BaAl4Si4O16
Baryte
Formula: BaSO4
Localities: Reported from at least 7 localities in this region.
Birnessite
Formula: (Na,Ca)0.5(Mn4+,Mn3+)2O4 · 1.5H2O
Bixbyite-(Mn)
Formula: Mn3+2O3
Localities: Reported from at least 14 localities in this region.
Braunite
Formula: Mn2+Mn3+6(SiO4)O8
Localities: Reported from at least 14 localities in this region.
Calcite
Formula: CaCO3
Celsian
Formula: Ba(Al2Si2O8)
Cryptomelane
Formula: K(Mn4+7Mn3+)O16
Diaspore
Formula: AlO(OH)
Localities: Reported from at least 12 localities in this region.
Diaspore var. Mangan-diaspore
Formula: (Al,Mn)O(OH)
Ephesite
Formula: NaLiAl2(Al2Si2O10)(OH)2
Localities: Reported from at least 10 localities in this region.
'Feldspar Group'
Gamagarite (TL)
Formula: Ba2Fe3+(VO4)2(OH)
Gibbsite
Formula: Al(OH)3
Goethite
Formula: Fe3+O(OH)
Hausmannite
Formula: Mn2+Mn3+2O4
Hematite
Formula: Fe2O3
Localities: Reported from at least 11 localities in this region.
Hematite var. Specularite
Formula: Fe2O3
Hydroxylapatite
Formula: Ca5(PO4)3(OH)
Kaolinite
Formula: Al2(Si2O5)(OH)4
Kentrolite
Formula: Pb2Mn3+2(Si2O7)O2
'K Feldspar'
Lithiophorite
Formula: (Al,Li)MnO2(OH)2
Localities: Reported from at least 9 localities in this region.
Manganite
Formula: Mn3+O(OH)
Muscovite
Formula: KAl2(AlSi3O10)(OH)2
Localities: Reported from at least 6 localities in this region.
Muscovite var. Illite
Formula: K0.65Al2.0[Al0.65Si3.35O10](OH)2
Localities: Reported from at least 6 localities in this region.
Noelbensonite
Formula: BaMn3+2(Si2O7)(OH)2 · H2O
Norrishite ?
Formula: KLiMn3+2(Si4O10)O2
Opal
Formula: SiO2 · nH2O
'Psilomelane'
Localities: Reported from at least 10 localities in this region.
Pyrolusite
Formula: Mn4+O2
Localities: Reported from at least 10 localities in this region.
Pyrophyllite
Formula: Al2Si4O10(OH)2
Quartz
Formula: SiO2
Localities: Reported from at least 7 localities in this region.
Ramsdellite
Formula: Mn4+O2
Romanèchite
Formula: (Ba,H2O)2(Mn4+,Mn3+)5O10
Rutile
Formula: TiO2
Serandite
Formula: NaMn2+2Si3O8(OH)
Strontianite
Formula: SrCO3
Sugilite
Formula: KNa2Fe3+2Li3[Si12O30]
Svanbergite
Formula: SrAl3(PO4)(SO4)(OH)6
Tokyoite
Formula: Ba2Mn3+(VO4)2(OH)
'Tourmaline'
Formula: AD3G6(T6O18)(BO3)3X3Z
'Unnamed (possible ordered As-analogue of Tokyoite)'
Formula: Ba2Mn[(As,V)O4]2(OH)
Witherite
Formula: BaCO3
Zircon
Formula: Zr(SiO4)
Zunyite
Formula: Al13Si5O20(OH,F)18Cl

Gallery:

List of minerals arranged by Strunz 10th Edition classification

Group 2 - Sulphides and Sulfosalts
Alabandite ?2.CD.10MnS
Group 4 - Oxides and Hydroxides
Goethite4.00.Fe3+O(OH)
Hausmannite4.BB.10Mn2+Mn3+2O4
Hematite4.CB.05Fe2O3
var. Specularite4.CB.05Fe2O3
Bixbyite-(Mn)4.CB.10Mn3+2O3
Quartz4.DA.05SiO2
Opal4.DA.10SiO2 · nH2O
Pyrolusite4.DB.05Mn4+O2
Rutile4.DB.05TiO2
Ramsdellite4.DB.15aMn4+O2
Cryptomelane4.DK.05aK(Mn4+7Mn3+)O16
Romanèchite4.DK.10(Ba,H2O)2(Mn4+,Mn3+)5O10
Diaspore4.FD.10AlO(OH)
var. Mangan-diaspore4.FD.10(Al,Mn)O(OH)
Manganite4.FD.15Mn3+O(OH)
Gibbsite4.FE.10Al(OH)3
Lithiophorite4.FE.25(Al,Li)MnO2(OH)2
Birnessite4.FL.45(Na,Ca)0.5(Mn4+,Mn3+)2O4 · 1.5H2O
Akdalaite4.FL.70Al10O14(OH)2
Group 5 - Nitrates and Carbonates
Calcite5.AB.05CaCO3
Strontianite5.AB.15SrCO3
Witherite5.AB.15BaCO3
Group 7 - Sulphates, Chromates, Molybdates and Tungstates
Baryte7.AD.35BaSO4
Group 8 - Phosphates, Arsenates and Vanadates
Gamagarite (TL)8.BG.05Ba2Fe3+(VO4)2(OH)
Tokyoite8.BG.05Ba2Mn3+(VO4)2(OH)
'Unnamed (possible ordered As-analogue of Tokyoite)'8.BG.05Ba2Mn[(As,V)O4]2(OH)
Svanbergite8.BL.05SrAl3(PO4)(SO4)(OH)6
Hydroxylapatite8.BN.05Ca5(PO4)3(OH)
Group 9 - Silicates
Zircon9.AD.30Zr(SiO4)
Braunite9.AG.05Mn2+Mn3+6(SiO4)O8
Noelbensonite9.BE.05BaMn3+2(Si2O7)(OH)2 · H2O
Kentrolite9.BE.80Pb2Mn3+2(Si2O7)O2
Zunyite9.BJ.55Al13Si5O20(OH,F)18Cl
Sugilite9.CM.05KNa2Fe3+2Li3[Si12O30]
Aegirine9.DA.25NaFe3+Si2O6
Serandite9.DG.05NaMn2+2Si3O8(OH)
Pyrophyllite9.EC.10Al2Si4O10(OH)2
Muscovite
var. Illite
9.EC.15K0.65Al2.0[Al0.65Si3.35O10](OH)2
9.EC.15KAl2(AlSi3O10)(OH)2
Ephesite9.EC.20NaLiAl2(Al2Si2O10)(OH)2
Norrishite ?9.EC.20KLiMn3+2(Si4O10)O2
Kaolinite9.ED.05Al2(Si2O5)(OH)4
Amesite9.ED.15Mg2Al(AlSiO5)(OH)4
Armbrusterite9.EG.65K5Na7Mn15[(Si9O22)4](OH)10 · 4H2O
Celsian9.FA.30Ba(Al2Si2O8)
Albite9.FA.35Na(AlSi3O8)
Banalsite9.FA.60Na2BaAl4Si4O16
Unclassified
'Feldspar Group'-
'Psilomelane'-
'Tourmaline'-AD3G6(T6O18)(BO3)3X3Z
'K Feldspar'-
'Apatite'-Ca5(PO4)3(Cl/F/OH)
'Amesite-2H1'-(Mg2Al)(SiAl)O5(OH)4

List of minerals for each chemical element

HHydrogen
H AkdalaiteAl10O14(OH)2
H AmesiteMg2Al(AlSiO5)(OH)4
H Birnessite(Na,Ca)0.5(Mn4+,Mn3+)2O4 · 1.5H2O
H DiasporeAlO(OH)
H EphesiteNaLiAl2(Al2Si2O10)(OH)2
H GamagariteBa2Fe3+(VO4)2(OH)
H GibbsiteAl(OH)3
H GoethiteFe3+O(OH)
H HydroxylapatiteCa5(PO4)3(OH)
H Muscovite var. IlliteK0.65Al2.0[Al0.65Si3.35O10](OH)2
H KaoliniteAl2(Si2O5)(OH)4
H Lithiophorite(Al,Li)MnO2(OH)2
H ManganiteMn3+O(OH)
H Diaspore var. Mangan-diaspore(Al,Mn)O(OH)
H MuscoviteKAl2(AlSi3O10)(OH)2
H NoelbensoniteBaMn23+(Si2O7)(OH)2 · H2O
H OpalSiO2 · nH2O
H PyrophylliteAl2Si4O10(OH)2
H Romanèchite(Ba,H2O)2(Mn4+,Mn3+)5O10
H SeranditeNaMn22+Si3O8(OH)
H SvanbergiteSrAl3(PO4)(SO4)(OH)6
H ZunyiteAl13Si5O20(OH,F)18Cl
H TokyoiteBa2Mn3+(VO4)2(OH)
H ArmbrusteriteK5Na7Mn15[(Si9O22)4](OH)10 · 4H2O
H ApatiteCa5(PO4)3(Cl/F/OH)
H Amesite-2H1(Mg2Al)(SiAl)O5(OH)4
H Unnamed (possible ordered As-analogue of Tokyoite)Ba2Mn[(As,V)O4]2(OH)
LiLithium
Li EphesiteNaLiAl2(Al2Si2O10)(OH)2
Li Lithiophorite(Al,Li)MnO2(OH)2
Li NorrishiteKLiMn23+(Si4O10)O2
Li SugiliteKNa2Fe23+Li3[Si12O30]
BBoron
B TourmalineAD3G6(T6O18)(BO3)3X3Z
CCarbon
C CalciteCaCO3
C StrontianiteSrCO3
C WitheriteBaCO3
OOxygen
O AegirineNaFe3+Si2O6
O AkdalaiteAl10O14(OH)2
O AlbiteNa(AlSi3O8)
O AmesiteMg2Al(AlSiO5)(OH)4
O BanalsiteNa2BaAl4Si4O16
O BaryteBaSO4
O Birnessite(Na,Ca)0.5(Mn4+,Mn3+)2O4 · 1.5H2O
O Bixbyite-(Mn)Mn23+O3
O BrauniteMn2+Mn63+(SiO4)O8
O CalciteCaCO3
O CelsianBa(Al2Si2O8)
O CryptomelaneK(Mn74+Mn3+)O16
O DiasporeAlO(OH)
O EphesiteNaLiAl2(Al2Si2O10)(OH)2
O GamagariteBa2Fe3+(VO4)2(OH)
O GibbsiteAl(OH)3
O GoethiteFe3+O(OH)
O HausmanniteMn2+Mn23+O4
O HematiteFe2O3
O HydroxylapatiteCa5(PO4)3(OH)
O Muscovite var. IlliteK0.65Al2.0[Al0.65Si3.35O10](OH)2
O KaoliniteAl2(Si2O5)(OH)4
O KentrolitePb2Mn23+(Si2O7)O2
O Lithiophorite(Al,Li)MnO2(OH)2
O ManganiteMn3+O(OH)
O Diaspore var. Mangan-diaspore(Al,Mn)O(OH)
O MuscoviteKAl2(AlSi3O10)(OH)2
O NoelbensoniteBaMn23+(Si2O7)(OH)2 · H2O
O NorrishiteKLiMn23+(Si4O10)O2
O OpalSiO2 · nH2O
O PyrolusiteMn4+O2
O PyrophylliteAl2Si4O10(OH)2
O QuartzSiO2
O RamsdelliteMn4+O2
O Romanèchite(Ba,H2O)2(Mn4+,Mn3+)5O10
O RutileTiO2
O SeranditeNaMn22+Si3O8(OH)
O StrontianiteSrCO3
O SugiliteKNa2Fe23+Li3[Si12O30]
O SvanbergiteSrAl3(PO4)(SO4)(OH)6
O TourmalineAD3G6(T6O18)(BO3)3X3Z
O WitheriteBaCO3
O ZirconZr(SiO4)
O ZunyiteAl13Si5O20(OH,F)18Cl
O Hematite var. SpeculariteFe2O3
O TokyoiteBa2Mn3+(VO4)2(OH)
O ArmbrusteriteK5Na7Mn15[(Si9O22)4](OH)10 · 4H2O
O ApatiteCa5(PO4)3(Cl/F/OH)
O Amesite-2H1(Mg2Al)(SiAl)O5(OH)4
O Unnamed (possible ordered As-analogue of Tokyoite)Ba2Mn[(As,V)O4]2(OH)
FFluorine
F ZunyiteAl13Si5O20(OH,F)18Cl
F ApatiteCa5(PO4)3(Cl/F/OH)
NaSodium
Na AegirineNaFe3+Si2O6
Na AlbiteNa(AlSi3O8)
Na BanalsiteNa2BaAl4Si4O16
Na Birnessite(Na,Ca)0.5(Mn4+,Mn3+)2O4 · 1.5H2O
Na EphesiteNaLiAl2(Al2Si2O10)(OH)2
Na SeranditeNaMn22+Si3O8(OH)
Na SugiliteKNa2Fe23+Li3[Si12O30]
Na ArmbrusteriteK5Na7Mn15[(Si9O22)4](OH)10 · 4H2O
MgMagnesium
Mg AmesiteMg2Al(AlSiO5)(OH)4
Mg Amesite-2H1(Mg2Al)(SiAl)O5(OH)4
AlAluminium
Al AkdalaiteAl10O14(OH)2
Al AlbiteNa(AlSi3O8)
Al AmesiteMg2Al(AlSiO5)(OH)4
Al BanalsiteNa2BaAl4Si4O16
Al CelsianBa(Al2Si2O8)
Al DiasporeAlO(OH)
Al EphesiteNaLiAl2(Al2Si2O10)(OH)2
Al GibbsiteAl(OH)3
Al Muscovite var. IlliteK0.65Al2.0[Al0.65Si3.35O10](OH)2
Al KaoliniteAl2(Si2O5)(OH)4
Al Lithiophorite(Al,Li)MnO2(OH)2
Al Diaspore var. Mangan-diaspore(Al,Mn)O(OH)
Al MuscoviteKAl2(AlSi3O10)(OH)2
Al PyrophylliteAl2Si4O10(OH)2
Al SvanbergiteSrAl3(PO4)(SO4)(OH)6
Al ZunyiteAl13Si5O20(OH,F)18Cl
Al Amesite-2H1(Mg2Al)(SiAl)O5(OH)4
SiSilicon
Si AegirineNaFe3+Si2O6
Si AlbiteNa(AlSi3O8)
Si AmesiteMg2Al(AlSiO5)(OH)4
Si BanalsiteNa2BaAl4Si4O16
Si BrauniteMn2+Mn63+(SiO4)O8
Si CelsianBa(Al2Si2O8)
Si EphesiteNaLiAl2(Al2Si2O10)(OH)2
Si Muscovite var. IlliteK0.65Al2.0[Al0.65Si3.35O10](OH)2
Si KaoliniteAl2(Si2O5)(OH)4
Si KentrolitePb2Mn23+(Si2O7)O2
Si MuscoviteKAl2(AlSi3O10)(OH)2
Si NoelbensoniteBaMn23+(Si2O7)(OH)2 · H2O
Si NorrishiteKLiMn23+(Si4O10)O2
Si OpalSiO2 · nH2O
Si PyrophylliteAl2Si4O10(OH)2
Si QuartzSiO2
Si SeranditeNaMn22+Si3O8(OH)
Si SugiliteKNa2Fe23+Li3[Si12O30]
Si ZirconZr(SiO4)
Si ZunyiteAl13Si5O20(OH,F)18Cl
Si ArmbrusteriteK5Na7Mn15[(Si9O22)4](OH)10 · 4H2O
Si Amesite-2H1(Mg2Al)(SiAl)O5(OH)4
PPhosphorus
P HydroxylapatiteCa5(PO4)3(OH)
P SvanbergiteSrAl3(PO4)(SO4)(OH)6
P ApatiteCa5(PO4)3(Cl/F/OH)
SSulfur
S AlabanditeMnS
S BaryteBaSO4
S SvanbergiteSrAl3(PO4)(SO4)(OH)6
ClChlorine
Cl ZunyiteAl13Si5O20(OH,F)18Cl
Cl ApatiteCa5(PO4)3(Cl/F/OH)
KPotassium
K CryptomelaneK(Mn74+Mn3+)O16
K Muscovite var. IlliteK0.65Al2.0[Al0.65Si3.35O10](OH)2
K MuscoviteKAl2(AlSi3O10)(OH)2
K NorrishiteKLiMn23+(Si4O10)O2
K SugiliteKNa2Fe23+Li3[Si12O30]
K ArmbrusteriteK5Na7Mn15[(Si9O22)4](OH)10 · 4H2O
CaCalcium
Ca Birnessite(Na,Ca)0.5(Mn4+,Mn3+)2O4 · 1.5H2O
Ca CalciteCaCO3
Ca HydroxylapatiteCa5(PO4)3(OH)
Ca ApatiteCa5(PO4)3(Cl/F/OH)
TiTitanium
Ti RutileTiO2
VVanadium
V GamagariteBa2Fe3+(VO4)2(OH)
V TokyoiteBa2Mn3+(VO4)2(OH)
V Unnamed (possible ordered As-analogue of Tokyoite)Ba2Mn[(As,V)O4]2(OH)
MnManganese
Mn AlabanditeMnS
Mn Birnessite(Na,Ca)0.5(Mn4+,Mn3+)2O4 · 1.5H2O
Mn Bixbyite-(Mn)Mn23+O3
Mn BrauniteMn2+Mn63+(SiO4)O8
Mn CryptomelaneK(Mn74+Mn3+)O16
Mn HausmanniteMn2+Mn23+O4
Mn KentrolitePb2Mn23+(Si2O7)O2
Mn Lithiophorite(Al,Li)MnO2(OH)2
Mn ManganiteMn3+O(OH)
Mn Diaspore var. Mangan-diaspore(Al,Mn)O(OH)
Mn NoelbensoniteBaMn23+(Si2O7)(OH)2 · H2O
Mn NorrishiteKLiMn23+(Si4O10)O2
Mn PyrolusiteMn4+O2
Mn RamsdelliteMn4+O2
Mn Romanèchite(Ba,H2O)2(Mn4+,Mn3+)5O10
Mn SeranditeNaMn22+Si3O8(OH)
Mn TokyoiteBa2Mn3+(VO4)2(OH)
Mn ArmbrusteriteK5Na7Mn15[(Si9O22)4](OH)10 · 4H2O
Mn Unnamed (possible ordered As-analogue of Tokyoite)Ba2Mn[(As,V)O4]2(OH)
FeIron
Fe AegirineNaFe3+Si2O6
Fe GamagariteBa2Fe3+(VO4)2(OH)
Fe GoethiteFe3+O(OH)
Fe HematiteFe2O3
Fe SugiliteKNa2Fe23+Li3[Si12O30]
Fe Hematite var. SpeculariteFe2O3
AsArsenic
As Unnamed (possible ordered As-analogue of Tokyoite)Ba2Mn[(As,V)O4]2(OH)
SrStrontium
Sr StrontianiteSrCO3
Sr SvanbergiteSrAl3(PO4)(SO4)(OH)6
ZrZirconium
Zr ZirconZr(SiO4)
BaBarium
Ba BanalsiteNa2BaAl4Si4O16
Ba BaryteBaSO4
Ba CelsianBa(Al2Si2O8)
Ba GamagariteBa2Fe3+(VO4)2(OH)
Ba NoelbensoniteBaMn23+(Si2O7)(OH)2 · H2O
Ba Romanèchite(Ba,H2O)2(Mn4+,Mn3+)5O10
Ba WitheriteBaCO3
Ba TokyoiteBa2Mn3+(VO4)2(OH)
Ba Unnamed (possible ordered As-analogue of Tokyoite)Ba2Mn[(As,V)O4]2(OH)
PbLead
Pb KentrolitePb2Mn23+(Si2O7)O2

Localities in this Region

Other Regions, Features and Areas that Intersect

AfricaContinent
African PlateTectonic Plate
South Africa

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