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:
Southern Province, Rwanda

Oldest recorded age at locality: 935.4
Youngest recorded age at locality: 923.4

mindat Locality ID: 203834
mindat URL: http://www.mindat.org/loc-203834.html

Tectonic Settings:

Total number of sublocalities beneath "Southern Province, Rwanda": 8
Total number of bottom-level sublocalities: 4

Number of Child Localities: 4
Child Localities:
Gitarama
Gitarama – Kibuye Road
Kibanda Deposit
Mayunzwe Mtn

Latitude: 2°4'59"S
Longitude: 29°37'59"E
Decimal Degree (lat, lon): -2.0830555555556,29.633055555556
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 Be Ca F Fe H K Li Mg Mn Na O P Si Sn 

Elements from minerals reported directly at this locality: 

Structural Groups for minerals in this locality: 
AlluauditeAmphiboleApatiteBerylClayDufréniteMicaNoneOlivinePhosphosiderite
QuartzRockbridgeiteRutileTalcVivianiteWardite

18 IMA Minerals at location:
Alluaudite  (*)Beryl  (*)Cassiterite  (*)Cyrilovite  (*)Dufrénite  (*)
Ferrisicklerite  (*)Fluorapatite  (*)Hagendorfite  (*)Heterosite  (*)Holmquistite  (*)
Phosphosiderite  (*)Purpurite  (*)Quartz  (*)Rockbridgeite  (*)Siderophyllite  (*)
Talc  (*)Triphylite  (*)Vivianite  (*)
Mineral nameStructural GroupsIMA FormulaMax Age (Ma)Min Age (Ma)# of Sublocalities containing mineralLOCALITY IDs, not mindat ids# of localities containing mineral
Alluaudite  (*)Alluaudite   NaMnFe3+2(PO4)3935.4923.42104490,10449294
Beryl  (*)BerylBe3Al2Si6O1811044964286
Cassiterite  (*)RutileSnO2935.4923.411044925171
Cyrilovite  (*)WarditeNaFe3+3(PO4)2(OH)4·2H2O935.4923.4110449260
Dufrénite  (*)DufréniteCa0.5Fe2+Fe3+5(PO4)4(OH)6·2H2O1104490139
Ferrisicklerite  (*)OlivineLi1-x(Fe3+,Mn2+)(PO4)1104490108
Fluorapatite  (*)ApatiteCa5(PO4)3F11044902740
Hagendorfite  (*)AlluauditeNa2MnFe2+Fe3+(PO4)3935.4923.4110449217
Heterosite  (*)OlivineFe3+(PO4)935.4923.42104490,104492204
Holmquistite  (*)Amphibole   Li2(Mg3Al2)Si8O22(OH)2935.4923.4110449242
Phosphosiderite  (*)PhosphosideriteFe3+(PO4)·2H2O1104490182
Purpurite  (*)OlivineMn3+(PO4)110449080
Quartz  (*)QuartzSiO2110449361156
Rockbridgeite  (*)Rockbridgeite(Fe2+0.5Fe3+0.5)2Fe3+3(PO4)3(OH)51104490206
Siderophyllite  (*)MicaKFe2+2Al(Si2Al2)O10(OH)2110449092
Talc  (*)Clay TalcMg3Si4O10(OH)211044933337
Triphylite  (*)OlivineLiFe2+(PO4)935.4923.41104492313
Vivianite  (*)VivianiteFe2+3(PO4)2·8H2O1104490636


1 Ages assigned to this locality:

Excel IDMax Age (Ma)Min Age (Ma)Age as listed in referenceDating MethodAge InterpretPrioritized?Sample SourceSample NumRun NumAge from other LocalityDated MineralMinerals explicitely stated as having this ageAge applies to these ElementsMinDat Locality IDDated Locality (Max Age)Location as listed in referenceReferenceReference DOIReference IDAge Notes
Alexandra-0243935.4923.4929.4±6U-PbAge of Nb-Ta mineralizationcolumbite-(mn)150  Columbite-(Mn) Ta, Nb57927Kibingo Pegmatite (Kibinga [relating To A Hill]; Lemera; Mwaka), Gitarama – Kibuye Road, Southern Province, RwandaKibingoMelcher et al. (2015)10.1016/j.oregeorev.2013.09.003OGR64_667 

SampleSource LocalityReference URL

All locality data graciously provided by mindat.org

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