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Goodhouse-Vioolsdrift area, Nama Khoi Local Municipality, Namakwa District Municipality, Northern Cape, South Africai
Regional Level Types
Goodhouse-Vioolsdrift areaArea
Nama Khoi Local MunicipalityMunicipality
Namakwa District MunicipalityDistrict Municipality
Northern CapeProvince
South AfricaCountry

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Latitude & Longitude (WGS84):
28° 54' 47'' South , 18° 12' 47'' East
Latitude & Longitude (decimal):
Type:
Köppen climate type:
Mindat Locality ID:
295922
Long-form identifier:
mindat:1:2:295922:4
GUID (UUID V4):
0


Pegmatite veins occur over some 10 miles between Goodhouse and Vioolsdrift, the longest being over a mile by 50 yards in width.

The chief replacement processes are muscovitization, albitization, and lithianization.

Furthermore, Bi veins in greisen and highly quartzose pegmatites, and beryl and scheelite in quartz-​tourmaline veins.

There are also nonpegmatitic deposits of Cu ores, amethyst, and tremolite.

GPS coordinates are approximate for Goodhouse.

Select Mineral List Type

Standard Detailed Gallery Strunz Chemical Elements

Mineral List


25 valid minerals.

Rock Types Recorded

Note: 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:

ⓘ Aegirine
Formula: NaFe3+Si2O6
References:
Woolf, Debbie (2023) Personal Communication. Identified by Debbie Woolf: XRD, SEM-EDS
ⓘ Albite
Formula: Na(AlSi3O8)
ⓘ Anatase
Formula: TiO2
References:
Woolf, Debbie (2023) Personal Communication. Identified by Debbie Woolf: XRD, SEM-EDS
ⓘ 'Apatite'
Formula: Ca5(PO4)3(Cl/F/OH)
ⓘ Augite
Formula: (CaxMgyFez)(Mgy1Fez1)Si2O6
References:
Woolf, Debbie (2023) Personal Communication. Identified by Debbie Woolf: XRD, SEM-EDS
ⓘ Bertrandite
Formula: Be4(Si2O7)(OH)2
ⓘ Beryl
Formula: Be3Al2(Si6O18)
ⓘ Bismoclite
Formula: BiOCl
ⓘ Bismuthinite
Formula: Bi2S3
ⓘ 'Chlorite Group'
ⓘ Chrysoberyl
Formula: BeAl2O4
ⓘ 'Columbite-(Fe)-Columbite-(Mn) Series'
ⓘ Epidote
Formula: (CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
ⓘ Euxenite-(Y)
Formula: (Y,Ca,Ce,U,Th)(Nb,Ta,Ti)2O6
ⓘ 'Lepidolite'
ⓘ Lithiophilite
Formula: LiMn2+PO4
ⓘ 'Monazite Group'
Formula: REE(PO4)
ⓘ Muscovite
Formula: KAl2(AlSi3O10)(OH)2
ⓘ Phenakite
Formula: Be2SiO4
ⓘ Prehnite
Formula: Ca2Al2Si3O10(OH)2
ⓘ 'Pyrochlore Group'
Formula: A2Nb2(O,OH)6Z
ⓘ Quartz
Formula: SiO2
ⓘ Quartz var. Amethyst
Formula: SiO2
ⓘ Rutile
Formula: TiO2
ⓘ Scheelite
Formula: Ca(WO4)
ⓘ Soddyite
Formula: (UO2)2SiO4 · 2H2O
ⓘ Spessartine
Formula: Mn2+3Al2(SiO4)3
ⓘ Spodumene
Formula: LiAlSi2O6
ⓘ 'Tantalite'
Formula: (Mn,Fe)(Ta,Nb)2O6
ⓘ Titanite
Formula: CaTi(SiO4)O
ⓘ 'Tourmaline'
Formula: AD3G6(T6O18)(BO3)3X3Z
ⓘ Tremolite
Formula: ◻Ca2Mg5(Si8O22)(OH)2
ⓘ Uranophane
Formula: Ca(UO2)2(SiO3OH)2 · 5H2O
ⓘ 'Xenotime'
ⓘ Zoisite
Formula: (CaCa)(AlAlAl)O[Si2O7][SiO4](OH)

Gallery:

List of minerals arranged by Strunz 10th Edition classification

Group 2 - Sulphides and Sulfosalts
ⓘBismuthinite2.DB.05Bi2S3
Group 3 - Halides
ⓘBismoclite3.DC.25BiOCl
Group 4 - Oxides and Hydroxides
ⓘ'Pyrochlore Group'4.00.A2Nb2(O,OH)6Z
ⓘChrysoberyl4.BA.05BeAl2O4
ⓘQuartz
var. Amethyst
4.DA.05SiO2
ⓘ4.DA.05SiO2
ⓘRutile4.DB.05TiO2
ⓘAnatase4.DD.05TiO2
ⓘEuxenite-(Y)4.DG.05(Y,Ca,Ce,U,Th)(Nb,Ta,Ti)2O6
Group 7 - Sulphates, Chromates, Molybdates and Tungstates
ⓘScheelite7.GA.05Ca(WO4)
Group 8 - Phosphates, Arsenates and Vanadates
ⓘLithiophilite8.AB.10LiMn2+PO4
Group 9 - Silicates
ⓘPhenakite9.AA.05Be2SiO4
ⓘSpessartine9.AD.25Mn2+3Al2(SiO4)3
ⓘTitanite9.AG.15CaTi(SiO4)O
ⓘSoddyite9.AK.05(UO2)2SiO4 · 2H2O
ⓘUranophane9.AK.15Ca(UO2)2(SiO3OH)2 · 5H2O
ⓘBertrandite9.BD.05Be4(Si2O7)(OH)2
ⓘEpidote9.BG.05a(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
ⓘZoisite9.BG.10(CaCa)(AlAlAl)O[Si2O7][SiO4](OH)
ⓘBeryl9.CJ.05Be3Al2(Si6O18)
ⓘAugite9.DA.15(CaxMgyFez)(Mgy1Fez1)Si2O6
ⓘAegirine9.DA.25NaFe3+Si2O6
ⓘSpodumene9.DA.30LiAlSi2O6
ⓘTremolite9.DE.10◻Ca2Mg5(Si8O22)(OH)2
ⓘPrehnite9.DP.20Ca2Al2Si3O10(OH)2
ⓘMuscovite9.EC.15KAl2(AlSi3O10)(OH)2
ⓘAlbite9.FA.35Na(AlSi3O8)
Unclassified
ⓘ'Chlorite Group'-
ⓘ'Lepidolite'-
ⓘ'Monazite Group'-REE(PO4)
ⓘ'Tantalite'-(Mn,Fe)(Ta,Nb)2O6
ⓘ'Tourmaline'-AD3G6(T6O18)(BO3)3X3Z
ⓘ'Xenotime'-
ⓘ'Columbite-(Fe)-Columbite-(Mn) Series'-
ⓘ'Apatite'-Ca5(PO4)3(Cl/F/OH)

List of minerals for each chemical element

HHydrogen
Hⓘ BertranditeBe4(Si2O7)(OH)2
Hⓘ Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Hⓘ MuscoviteKAl2(AlSi3O10)(OH)2
Hⓘ PrehniteCa2Al2Si3O10(OH)2
Hⓘ Pyrochlore GroupA2Nb2(O,OH)6Z
Hⓘ Soddyite(UO2)2SiO4 · 2H2O
Hⓘ Tremolite◻Ca2Mg5(Si8O22)(OH)2
Hⓘ UranophaneCa(UO2)2(SiO3OH)2 · 5H2O
Hⓘ Zoisite(CaCa)(AlAlAl)O[Si2O7][SiO4](OH)
Hⓘ ApatiteCa5(PO4)3(Cl/F/OH)
LiLithium
Liⓘ LithiophiliteLiMn2+PO4
Liⓘ SpodumeneLiAlSi2O6
BeBeryllium
Beⓘ BertranditeBe4(Si2O7)(OH)2
Beⓘ BerylBe3Al2(Si6O18)
Beⓘ ChrysoberylBeAl2O4
Beⓘ PhenakiteBe2SiO4
BBoron
Bⓘ TourmalineAD3G6(T6O18)(BO3)3X3Z
OOxygen
Oⓘ AegirineNaFe3+Si2O6
Oⓘ AlbiteNa(AlSi3O8)
Oⓘ Quartz var. AmethystSiO2
Oⓘ AnataseTiO2
Oⓘ Augite(CaxMgyFez)(Mgy1Fez1)Si2O6
Oⓘ BertranditeBe4(Si2O7)(OH)2
Oⓘ BismocliteBiOCl
Oⓘ BerylBe3Al2(Si6O18)
Oⓘ ChrysoberylBeAl2O4
Oⓘ Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Oⓘ Euxenite-(Y)(Y,Ca,Ce,U,Th)(Nb,Ta,Ti)2O6
Oⓘ LithiophiliteLiMn2+PO4
Oⓘ Monazite GroupREE(PO4)
Oⓘ MuscoviteKAl2(AlSi3O10)(OH)2
Oⓘ PhenakiteBe2SiO4
Oⓘ PrehniteCa2Al2Si3O10(OH)2
Oⓘ Pyrochlore GroupA2Nb2(O,OH)6Z
Oⓘ QuartzSiO2
Oⓘ RutileTiO2
Oⓘ ScheeliteCa(WO4)
Oⓘ Soddyite(UO2)2SiO4 · 2H2O
Oⓘ SpessartineMn32+Al2(SiO4)3
Oⓘ SpodumeneLiAlSi2O6
Oⓘ Tantalite(Mn,Fe)(Ta,Nb)2O6
Oⓘ TitaniteCaTi(SiO4)O
Oⓘ TourmalineAD3G6(T6O18)(BO3)3X3Z
Oⓘ Tremolite◻Ca2Mg5(Si8O22)(OH)2
Oⓘ UranophaneCa(UO2)2(SiO3OH)2 · 5H2O
Oⓘ Zoisite(CaCa)(AlAlAl)O[Si2O7][SiO4](OH)
Oⓘ Columbite-(Fe)-Columbite-(Mn) Series
Oⓘ ApatiteCa5(PO4)3(Cl/F/OH)
FFluorine
Fⓘ ApatiteCa5(PO4)3(Cl/F/OH)
NaSodium
Naⓘ AegirineNaFe3+Si2O6
Naⓘ AlbiteNa(AlSi3O8)
MgMagnesium
Mgⓘ Augite(CaxMgyFez)(Mgy1Fez1)Si2O6
Mgⓘ Tremolite◻Ca2Mg5(Si8O22)(OH)2
AlAluminium
Alⓘ AlbiteNa(AlSi3O8)
Alⓘ BerylBe3Al2(Si6O18)
Alⓘ ChrysoberylBeAl2O4
Alⓘ Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Alⓘ MuscoviteKAl2(AlSi3O10)(OH)2
Alⓘ PrehniteCa2Al2Si3O10(OH)2
Alⓘ SpessartineMn32+Al2(SiO4)3
Alⓘ SpodumeneLiAlSi2O6
Alⓘ Zoisite(CaCa)(AlAlAl)O[Si2O7][SiO4](OH)
SiSilicon
Siⓘ AegirineNaFe3+Si2O6
Siⓘ AlbiteNa(AlSi3O8)
Siⓘ Quartz var. AmethystSiO2
Siⓘ Augite(CaxMgyFez)(Mgy1Fez1)Si2O6
Siⓘ BertranditeBe4(Si2O7)(OH)2
Siⓘ BerylBe3Al2(Si6O18)
Siⓘ Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Siⓘ MuscoviteKAl2(AlSi3O10)(OH)2
Siⓘ PhenakiteBe2SiO4
Siⓘ PrehniteCa2Al2Si3O10(OH)2
Siⓘ QuartzSiO2
Siⓘ Soddyite(UO2)2SiO4 · 2H2O
Siⓘ SpessartineMn32+Al2(SiO4)3
Siⓘ SpodumeneLiAlSi2O6
Siⓘ TitaniteCaTi(SiO4)O
Siⓘ Tremolite◻Ca2Mg5(Si8O22)(OH)2
Siⓘ UranophaneCa(UO2)2(SiO3OH)2 · 5H2O
Siⓘ Zoisite(CaCa)(AlAlAl)O[Si2O7][SiO4](OH)
PPhosphorus
Pⓘ LithiophiliteLiMn2+PO4
Pⓘ Monazite GroupREE(PO4)
Pⓘ ApatiteCa5(PO4)3(Cl/F/OH)
SSulfur
Sⓘ BismuthiniteBi2S3
ClChlorine
Clⓘ BismocliteBiOCl
Clⓘ ApatiteCa5(PO4)3(Cl/F/OH)
KPotassium
Kⓘ MuscoviteKAl2(AlSi3O10)(OH)2
CaCalcium
Caⓘ Augite(CaxMgyFez)(Mgy1Fez1)Si2O6
Caⓘ Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Caⓘ Euxenite-(Y)(Y,Ca,Ce,U,Th)(Nb,Ta,Ti)2O6
Caⓘ PrehniteCa2Al2Si3O10(OH)2
Caⓘ ScheeliteCa(WO4)
Caⓘ TitaniteCaTi(SiO4)O
Caⓘ Tremolite◻Ca2Mg5(Si8O22)(OH)2
Caⓘ UranophaneCa(UO2)2(SiO3OH)2 · 5H2O
Caⓘ Zoisite(CaCa)(AlAlAl)O[Si2O7][SiO4](OH)
Caⓘ ApatiteCa5(PO4)3(Cl/F/OH)
TiTitanium
Tiⓘ AnataseTiO2
Tiⓘ Euxenite-(Y)(Y,Ca,Ce,U,Th)(Nb,Ta,Ti)2O6
Tiⓘ RutileTiO2
Tiⓘ TitaniteCaTi(SiO4)O
MnManganese
Mnⓘ LithiophiliteLiMn2+PO4
Mnⓘ SpessartineMn32+Al2(SiO4)3
Mnⓘ Tantalite(Mn,Fe)(Ta,Nb)2O6
Mnⓘ Columbite-(Fe)-Columbite-(Mn) Series
FeIron
Feⓘ AegirineNaFe3+Si2O6
Feⓘ Augite(CaxMgyFez)(Mgy1Fez1)Si2O6
Feⓘ Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Feⓘ Tantalite(Mn,Fe)(Ta,Nb)2O6
Feⓘ Columbite-(Fe)-Columbite-(Mn) Series
YYttrium
Yⓘ Euxenite-(Y)(Y,Ca,Ce,U,Th)(Nb,Ta,Ti)2O6
NbNiobium
Nbⓘ Euxenite-(Y)(Y,Ca,Ce,U,Th)(Nb,Ta,Ti)2O6
Nbⓘ Pyrochlore GroupA2Nb2(O,OH)6Z
Nbⓘ Tantalite(Mn,Fe)(Ta,Nb)2O6
Nbⓘ Columbite-(Fe)-Columbite-(Mn) Series
CeCerium
Ceⓘ Euxenite-(Y)(Y,Ca,Ce,U,Th)(Nb,Ta,Ti)2O6
TaTantalum
Taⓘ Euxenite-(Y)(Y,Ca,Ce,U,Th)(Nb,Ta,Ti)2O6
Taⓘ Tantalite(Mn,Fe)(Ta,Nb)2O6
WTungsten
Wⓘ ScheeliteCa(WO4)
BiBismuth
Biⓘ BismocliteBiOCl
Biⓘ BismuthiniteBi2S3
ThThorium
Thⓘ Euxenite-(Y)(Y,Ca,Ce,U,Th)(Nb,Ta,Ti)2O6
UUranium
Uⓘ Euxenite-(Y)(Y,Ca,Ce,U,Th)(Nb,Ta,Ti)2O6
Uⓘ Soddyite(UO2)2SiO4 · 2H2O
Uⓘ UranophaneCa(UO2)2(SiO3OH)2 · 5H2O

Other Regions, Features and Areas containing this locality

AfricaContinent
African PlateTectonic Plate
Southern Africa

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