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:
Sahambano, Ihosy, Ihorombe, Madagascar


mindat Locality ID: 212595
mindat URL: http://www.mindat.org/loc-212595.html

Tectonic Settings:

Total number of sublocalities beneath "Sahambano, Ihosy, Ihorombe, Madagascar": 10
Total number of bottom-level sublocalities: 8

Number of Child Localities: 6
Child Localities:
Bemiray
Manivala (Sahambano Corundum Deposit)
Mosalahy Marbles
Mosalahy Mt
Sakafona Pegmatite
Vohimena Hill

Latitude: 22°30'13"S
Longitude: 46°16'17"E
Decimal Degree (lat, lon): -22.503611111111,46.271388888889

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 Ba Be C Ca Fe H K Mg Na O P S Si Th Ti Zr 

Elements from minerals reported directly at this locality: 

Structural Groups for minerals in this locality: 
BaryteBerylCalciteChloriteClayClinozoisiteCorundumDiasporeEpidoteFeldspar
MicaMonaziteNoneNot in a structural groupPyritePyroxeneQuartzSapphirineSpinelTitanite
TourmalineZircon

24 IMA Minerals at location:
Albite  (*)Anorthite  (*)Baryte  (*)Beryl  (*)Calcite  (*)
Cheralite  (*)Clinochlore  (*)Clinozoisite  (*)Corundum  (*)Diaspore  (*)
Diopside  (*)Dravite  (*)Epidote  (*)Magnesiotaaffeite-6N'3S  (*)Magnetite  (*)
Phlogopite  (*)Pyrite  (*)Quartz  (*)Sapphirine  (*)Serendibite  (*)
Sillimanite  (*)Spinel  (*)Titanite  (*)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)1794368803
Anorthite  (*)FeldsparCa(Al2Si2O8)1794431036
Baryte  (*)BaryteBa(SO4)17943611547
Beryl  (*)BerylBe3Al2Si6O181794424286
Calcite  (*)CalciteCa(CO3)17944327770
Cheralite  (*)MonaziteCaTh(PO4)217943650
Clinochlore  (*)Chlorite ClayMg5Al(AlSi3O10)(OH)8279440,794411756
Clinozoisite  (*)Clinozoisite EpidoteCa2Al3[Si2O7][SiO4]O(OH)1794411025
Corundum  (*)CorundumAl2O3579435,79436,79437,79438,794391797
Diaspore  (*)DiasporeAlO(OH)179436481
Diopside  (*)PyroxeneCaMgSi2O6379440,79441,794434135
Dravite  (*)TourmalineNaMg3Al6(Si6O18)(BO3)3(OH)3(OH)179441648
Epidote  (*)Epidote ClinozoisiteCa2(Al2Fe3+)[Si2O7][SiO4]O(OH)1794418173
Magnesiotaaffeite-6N'3S  (*)NoneMg2BeAl6O121794409
Magnetite  (*)SpinelFe2+Fe3+2O417944214899
Phlogopite  (*)Mica ClayKMg3(AlSi3O10)(OH)21794402273
Pyrite  (*)PyriteFeS217943639462
Quartz  (*)QuartzSiO217944261156
Sapphirine  (*)SapphirineMg4(Mg3Al9)O4[Si3Al9O36]379436,79438,79439129
Serendibite  (*)SapphirineCa4[Mg6Al6]O4[Si6B3Al3O36]17944319
Sillimanite  (*)Not in a structural groupAl2SiO5379436,79437,794381516
Spinel  (*)SpinelMgAl2O4479435,79436,79440,794431934
Titanite  (*)TitaniteCaTi(SiO4)O1794414899
Zircon  (*)ZirconZr(SiO4)1794365251



No ages have been assigned to this locality yet.

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All locality data graciously provided by mindat.org

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