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:
Ambohimanambola, Betafo, Vakinankaratra, Madagascar


mindat Locality ID: 158098
mindat URL: http://www.mindat.org/loc-158098.html

Tectonic Settings:

Total number of sublocalities beneath "Ambohimanambola, Betafo, Vakinankaratra, Madagascar": 3
Total number of bottom-level sublocalities: 2

Number of Child Localities: 2
Child Localities:
Anjanabonoina Pegmatites
Jolphe's Prospect

Latitude: 19°55'12"S
Longitude: 46°32'0"E
Decimal Degree (lat, lon): -19.92,46.533333333333
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 B Be Bi Ca Ce F Fe H K Li Mg Mn Na Nb O P Si Ta Ti Y Zr 

Elements from minerals reported directly at this locality: 

Structural Groups for minerals in this locality: 
ArsenicBerylClayColumbiteDanburiteFeldsparGarnetMicaNoneNot in a structural group
OlivinePhenakitePyroxeneQuartzRutileSmectite-vermiculiteSpinelTopazTourmalineZircon

26 IMA Minerals at location:
Albite  (*)Annite  (*)Bertrandite  (*)Beryl  (*)Bismite  (*)
Bismuth  (*)Chrysoberyl  (*)Danburite  (*)Dravite  (*)Fersmite  (*)
Fluor-elbaite  (*)Fluor-liddicoatite  (*)Gibbsite  (*)Hambergite  (*)Magnetite  (*)
Microcline  (*)Muscovite  (*)Phenakite  (*)Quartz  (*)Rutile  (*)
Spessartine  (*)Spodumene  (*)Topaz  (*)Vermiculite  (*)Xenotime-(Y)  (*)
Zircon  (*)
Mineral nameStructural GroupsIMA FormulaMax Age (Ma)Min Age (Ma)# of Sublocalities containing mineralLOCALITY IDs, not mindat ids# of localities containing mineral
Albite  (*)FeldsparNa(AlSi3O8)279766,797678803
Annite  (*)Mica ClayKFe2+3(AlSi3O10)(OH)2179767356
Bertrandite  (*)Not in a structural groupBe4Si2O7(OH)2179766606
Beryl  (*)BerylBe3Al2Si6O18279766,797674286
Bismite  (*)NoneBi2O3179766214
Bismuth  (*)ArsenicBi1797661966
Chrysoberyl  (*)OlivineBeAl2O4179766321
Danburite  (*)DanburiteCaB2Si2O8279766,79767148
Dravite  (*)TourmalineNaMg3Al6(Si6O18)(BO3)3(OH)3(OH)179766648
Fersmite  (*)ColumbiteCaNb2O6279766,7976783
Fluor-elbaite  (*)TourmalineNa(Li1.5Al1.5)Al6(Si6O18)(BO3)3(OH)3F17976631
Fluor-liddicoatite  (*)TourmalineCa(Li2Al)Al6(Si6O18)(BO3)3(OH)3F17976612
Gibbsite  (*)NoneAl(OH)3179766504
Hambergite  (*)NoneBe2(BO3)(OH)17976681
Magnetite  (*)SpinelFe2+Fe3+2O417976614899
Microcline  (*)FeldsparK(AlSi3O8)279766,797674924
Muscovite  (*)Mica ClayKAl2(Si3Al)O10(OH)217976617380
Phenakite  (*)PhenakiteBe2(SiO4)179766326
Quartz  (*)QuartzSiO2379766,79767,7976861156
Rutile  (*)RutileTiO21797665614
Spessartine  (*)GarnetMn2+3Al2(SiO4)31797661214
Spodumene  (*)PyroxeneLiAlSi2O6179766688
Topaz  (*)TopazAl2SiO4F21797661476
Vermiculite  (*)Clay Smectite-vermiculiteMg0.7(Mg,Fe,Al)6(Si,Al)8O20(OH)4·8H2O179767652
Xenotime-(Y)  (*)ZirconY(PO4)179766939
Zircon  (*)ZirconZr(SiO4)279766,797675251


No ages have been assigned to this locality yet.
SampleSource LocalityReference URL
R050672Anjanabonoina Pegmatites, Ambohimanambola, Betafo, Vakinankaratra, Madagascarhttps://rruff.info/R050672
X050129Anjanabonoina Pegmatites, Ambohimanambola, Betafo, Vakinankaratra, Madagascarhttps://rruff.info/X050129

All locality data graciously provided by mindat.org

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