Vote for your favorite mineral in #MinCup26! - Quartz vs. Asagiite
It's a classic vs a newbie as the most common named mineral in the crust Quartz is up against an exceedingly-rare sea foam-green mineral discovered just a few years ago Asagiite.
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Latitude & Longitude (WGS84):
28° 51' 19'' South , 23° 15' 3'' East
Latitude & Longitude (decimal):
Type:
Mindat Locality ID:
260524
Long-form identifier:
mindat:1:2:260524:4
GUID (UUID V4):
0
Other/historical names associated with this locality:
Griquatown
Other Languages:
Afrikaans:
Griekwastad, Siyancuma Plaaslike Munisipaliteit, Pixley ka Seme-distriksmunisipaliteit, Noord-Kaap, Suid-Afrika
German:
Griekwastad, Siyancuma, Pixley Ka Seme, Nordkap, Südafrika
Northern Sotho:
Griekwastad, Mmušôgaê wa Siyancuma, Mmasepala Setereke tša Pixley ka Seme, Kapa Leboa, Afrika Borwa
Simplified Chinese:
格里夸鎮, 西揚庫馬地方自治市, 皮克斯利·卡·塞梅區自治市, 北開普省, 南非
Catalan:
Griekwastad, Cap Septentrional, Sud-àfrica
Danish:
Griekwastad, Nord-Kapprovinsen, Sydafrika
Dutch:
Griekwastad, Siyancuma, Pixley ka Seme, Noord-Kaap, Zuid-Afrika
Estonian:
Griekwastad, Pixley ka Seme ringkond, Põhja-Kapimaa, Lõuna-Aafrika Vabariik
Hungarian:
Griekwastad, Észak-Fokföld, Dél-Afrika
Norwegian:
Griekwastad, Noord-Kaap, Sør-Afrika
Romanian:
Griquastad, Provincia Northern Cape, Africa de Sud


Griekwastad is a small, rural town located a few kilometres east of a geological formation, the Ongeluk Formation. This consists primarily of mafic lavas (basalt) that contains pillow lavas and hyaloclastites that are interpreted as extruding in a shallow marine setting.

The Ongeluk Formation hosts abundant layers of jasper and brecciated jasper that is used commercially as an ornamental stone.

Select Mineral List Type

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

19 valid minerals.

Rock Types Recorded


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

Select Rock List Type

Alphabetical List Tree Diagram

Detailed Mineral List:

Acanthite
Formula: Ag2S
Ankerite
Formula: Ca(Fe2+,Mg)(CO3)2
Calcite
Formula: CaCO3
Cassiterite
Formula: SnO2
Chalcopyrite
Formula: CuFeS2
Clinochlore
Formula: Mg5Al(AlSi3O10)(OH)8
Covellite
Formula: CuS
Dolomite
Formula: CaMg(CO3)2
'Feldspar Group'
Fluorite
Formula: CaF2
'Freibergite Subgroup'
Formula: (Ag6,[Ag6]4+)(Cu4 C2+2)Sb4S12S0-1
Galena
Formula: PbS
Hematite
Formula: Fe2O3
'Limonite'
Lizardite
Formula: Mg3(Si2O5)(OH)4
Millerite
Formula: NiS
Muscovite
Formula: KAl2(AlSi3O10)(OH)2
Muscovite var. Sericite
Formula: KAl2(AlSi3O10)(OH)2
'Petroleum'
'Petroleum var. Bitumen'
Pyrite
Formula: FeS2
Quartz
Formula: SiO2
Description: Large deposits of jasper are found around Griquatown
Rutile
Formula: TiO2
'Serpentine Subgroup'
Formula: D3[Si2O5](OH)4
Smithsonite
Formula: ZnCO3
Sphalerite
Formula: ZnS
'Tiger's Eye'

List of minerals arranged by Strunz 10th Edition classification

Group 2 - Sulphides and Sulfosalts
Acanthite2.BA.35Ag2S
Covellite2.CA.05aCuS
Sphalerite2.CB.05aZnS
Chalcopyrite2.CB.10aCuFeS2
Millerite2.CC.20NiS
Galena2.CD.10PbS
Pyrite2.EB.05aFeS2
'Freibergite Subgroup'2.GB.05(Ag6,[Ag6]4+)(Cu4 C2+2)Sb4S12S0-1
Group 3 - Halides
Fluorite3.AB.25CaF2
Group 4 - Oxides and Hydroxides
Hematite4.CB.05Fe2O3
Quartz4.DA.05SiO2
Cassiterite4.DB.05SnO2
Rutile4.DB.05TiO2
Group 5 - Nitrates and Carbonates
Calcite5.AB.05CaCO3
Smithsonite5.AB.05ZnCO3
Ankerite5.AB.10Ca(Fe2+,Mg)(CO3)2
Dolomite5.AB.10CaMg(CO3)2
Group 9 - Silicates
Muscovite9.EC.15KAl2(AlSi3O10)(OH)2
var. Sericite9.EC.15KAl2(AlSi3O10)(OH)2
Clinochlore9.EC.55Mg5Al(AlSi3O10)(OH)8
Lizardite9.ED.15Mg3(Si2O5)(OH)4
Unclassified
'Feldspar Group'-
'Limonite'-
'Tiger's Eye'-
'Petroleum
var. Bitumen'
-
''-
'Serpentine Subgroup'-D3[Si2O5](OH)4

List of minerals for each chemical element

HHydrogen
H ClinochloreMg5Al(AlSi3O10)(OH)8
H LizarditeMg3(Si2O5)(OH)4
H MuscoviteKAl2(AlSi3O10)(OH)2
H Muscovite var. SericiteKAl2(AlSi3O10)(OH)2
H Serpentine SubgroupD3[Si2O5](OH)4
CCarbon
C AnkeriteCa(Fe2+,Mg)(CO3)2
C CalciteCaCO3
C DolomiteCaMg(CO3)2
C SmithsoniteZnCO3
OOxygen
O AnkeriteCa(Fe2+,Mg)(CO3)2
O CalciteCaCO3
O CassiteriteSnO2
O ClinochloreMg5Al(AlSi3O10)(OH)8
O DolomiteCaMg(CO3)2
O HematiteFe2O3
O LizarditeMg3(Si2O5)(OH)4
O MuscoviteKAl2(AlSi3O10)(OH)2
O QuartzSiO2
O RutileTiO2
O SmithsoniteZnCO3
O Muscovite var. SericiteKAl2(AlSi3O10)(OH)2
O Serpentine SubgroupD3[Si2O5](OH)4
FFluorine
F FluoriteCaF2
MgMagnesium
Mg AnkeriteCa(Fe2+,Mg)(CO3)2
Mg ClinochloreMg5Al(AlSi3O10)(OH)8
Mg DolomiteCaMg(CO3)2
Mg LizarditeMg3(Si2O5)(OH)4
AlAluminium
Al ClinochloreMg5Al(AlSi3O10)(OH)8
Al MuscoviteKAl2(AlSi3O10)(OH)2
Al Muscovite var. SericiteKAl2(AlSi3O10)(OH)2
SiSilicon
Si ClinochloreMg5Al(AlSi3O10)(OH)8
Si LizarditeMg3(Si2O5)(OH)4
Si MuscoviteKAl2(AlSi3O10)(OH)2
Si QuartzSiO2
Si Muscovite var. SericiteKAl2(AlSi3O10)(OH)2
Si Serpentine SubgroupD3[Si2O5](OH)4
SSulfur
S AcanthiteAg2S
S ChalcopyriteCuFeS2
S CovelliteCuS
S Freibergite Subgroup(Ag6,[Ag6]4+)(Cu4 C22+)Sb4S12S0-1
S GalenaPbS
S MilleriteNiS
S PyriteFeS2
S SphaleriteZnS
KPotassium
K MuscoviteKAl2(AlSi3O10)(OH)2
K Muscovite var. SericiteKAl2(AlSi3O10)(OH)2
CaCalcium
Ca AnkeriteCa(Fe2+,Mg)(CO3)2
Ca CalciteCaCO3
Ca DolomiteCaMg(CO3)2
Ca FluoriteCaF2
TiTitanium
Ti RutileTiO2
FeIron
Fe AnkeriteCa(Fe2+,Mg)(CO3)2
Fe ChalcopyriteCuFeS2
Fe HematiteFe2O3
Fe PyriteFeS2
NiNickel
Ni MilleriteNiS
CuCopper
Cu ChalcopyriteCuFeS2
Cu CovelliteCuS
Cu Freibergite Subgroup(Ag6,[Ag6]4+)(Cu4 C22+)Sb4S12S0-1
ZnZinc
Zn SmithsoniteZnCO3
Zn SphaleriteZnS
AgSilver
Ag AcanthiteAg2S
Ag Freibergite Subgroup(Ag6,[Ag6]4+)(Cu4 C22+)Sb4S12S0-1
SnTin
Sn CassiteriteSnO2
SbAntimony
Sb Freibergite Subgroup(Ag6,[Ag6]4+)(Cu4 C22+)Sb4S12S0-1
PbLead
Pb GalenaPbS

Other Databases

Wikipedia:https://en.wikipedia.org/wiki/Griekwastad
Wikidata ID:Q367465

Localities in this Region

Other Regions, Features and Areas containing this locality

AfricaContinent
African PlateTectonic Plate

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