Mineral Evolution Database
Created and maintained by the Mineral Evolution Project in partnership with RRUFF and mindat.
Mineral locality data provided by mindat.org



The Mineral Evolution database is currently under development.

The goal of this page is to present localities at which the mineral is found, and estimates of the oldest possible geologic age of the minerals at these localities.


Locality Name:
Xhariep District, Free State, South Africa


mindat Locality ID: 244697
mindat URL: http://www.mindat.org/loc-244697.html

Tectonic Settings:

Total number of sublocalities beneath "Xhariep District, Free State, South Africa": 7
Total number of bottom-level sublocalities: 5

Number of Child Localities: 4
Child Localities:
Caledon River
Drakensberg Basalt
Jagersfontein
Koffiefontein

Latitude: 29°53'44"S
Longitude: 25°30'9"E
Decimal Degree (lat, lon): -29.895555555556,25.5025
AThis mineral is Anthropogenic.
GThis mineral is directly dated.
BThis mineral is reported as having this age.
YThis mineral is using an age reported as an element mineralization period.
OThis mineral is using an age calculated from all data at the locality.
RThe age displayed for this mineral originates from a different, non-child locality.
PThe age displayed for this mineral is the range of ages for this mineral at all of this locality's children.
This mineral's age has not yet been recorded.

This Mineral list contains entries from this locality, including sub-localities. Minerals in bold are reported by mindat.org as occurring directly at this locality, and do not occur at any children (sublocalities) of this locality.

Elements at this locality, including sub-localities: Al Ba C Ca Cr F Fe H K Mg Na Nb O S Si Sr Ti Zr 

Elements from minerals reported directly at this locality: 

Structural Groups for minerals in this locality: 
ApophylliteBaryteClayCorundumCrichtoniteDiamondGarnetMicaNatroliteNone
Not in a structural groupPectolitePerovskitePseudobrookitePyritePyroxeneQuartzRocksaltRutileSpinel
Spurrite-AfwilliteThomsoniteTitanite

28 IMA Minerals at location:
Armalcolite  (*)Baryte  (*)Bultfonteinite  (*)Chromite  (*)Corundum  (*)
Diamond  (*)Diopside  (*)Enstatite  (*)Fluorapophyllite-(K)  (*)Geikielite  (*)
Goldschmidtite  (*)Graphite  (*)Ilmenite  (*)Laumontite  (*)Lindsleyite  (*)
Mathiasite  (*)Natrolite  (*)Pectolite  (*)Periclase  (*)Perovskite  (*)
Phlogopite  (*)Pyrite  (*)Pyrope  (*)Quartz  (*)Rutile  (*)
Spinel  (*)Thomsonite-Ca  (*)Titanite  (*)
Mineral nameStructural GroupsIMA FormulaMax Age (Ma)Min Age (Ma)# of Sublocalities containing mineralLOCALITY IDs, not mindat ids# of localities containing mineral
Armalcolite  (*)Pseudobrookite(Mg,Fe2+)Ti2O5110611339
Baryte  (*)BaryteBa(SO4)110611311547
Bultfonteinite  (*)Spurrite-AfwilliteCa2SiO3(OH)F·H2O110611320
Chromite  (*)SpinelFe2+Cr2O411061133902
Corundum  (*)CorundumAl2O311061131797
Diamond  (*)DiamondC3106113,106114,106116697
Diopside  (*)PyroxeneCaMgSi2O62106113,1061164135
Enstatite  (*)PyroxeneMg2Si2O61106113944
Fluorapophyllite-(K)  (*)ApophylliteKCa4Si8O20F·8H2O1106113303
Geikielite  (*)CorundumMgTiO3110611370
Goldschmidtite  (*)PerovskiteKNbO311061161
Graphite  (*)NoneC11061132812
Ilmenite  (*)CorundumFe2+Ti4+O311061135433
Laumontite  (*)Not in a structural groupCaAl2Si4O12·4H2O11061111271
Lindsleyite  (*)Crichtonite(Ba,Sr)(Zr,Ca)(Fe,Mg)2(Ti,Cr,Fe)18O38110611312
Mathiasite  (*)Crichtonite(K,Ba,Sr)(Zr,Fe)(Mg,Fe)2(Ti,Cr,Fe)18O3811061137
Natrolite  (*)NatroliteNa2(Si3Al2)O10·2H2O11061131236
Pectolite  (*)PectoliteNaCa2Si3O8(OH)1106113363
Periclase  (*)RocksaltMgO1106116114
Perovskite  (*)PerovskiteCaTiO31106113495
Phlogopite  (*)Mica ClayKMg3(AlSi3O10)(OH)211061132273
Pyrite  (*)PyriteFeS2110611339462
Pyrope  (*)GarnetMg3Al2(SiO4)31106113341
Quartz  (*)QuartzSiO22106110,10611361156
Rutile  (*)RutileTiO211061135614
Spinel  (*)SpinelMgAl2O411061131934
Thomsonite-Ca  (*)ThomsoniteNaCa2(Al5Si5)O20·6H2O1106113452
Titanite  (*)TitaniteCaTi(SiO4)O11061134899


No ages have been assigned to this locality yet.

All locality data graciously provided by mindat.org

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