Log InRegister
Quick Links : The Mindat ManualThe Rock H. Currier Digital LibraryMindat Newsletter [Free Download]
Home PageAbout MindatThe Mindat ManualHistory of MindatCopyright StatusWho We AreContact UsAdvertise on Mindat
Donate to MindatCorporate SponsorshipSponsor a PageSponsored PagesMindat AdvertisersAdvertise on Mindat
Learning CenterWhat is a mineral?The most common minerals on earthInformation for EducatorsMindat ArticlesThe ElementsThe Rock H. Currier Digital LibraryGeologic Time
Minerals by PropertiesMinerals by ChemistryAdvanced Locality SearchRandom MineralRandom LocalitySearch by minIDLocalities Near MeSearch ArticlesSearch GlossaryMore Search Options
Search For:
Mineral Name:
Locality Name:
Keyword(s):
 
The Mindat ManualAdd a New PhotoRate PhotosLocality Edit ReportCoordinate Completion ReportAdd Glossary Item
Mining CompaniesStatisticsUsersMineral MuseumsClubs & OrganizationsMineral Shows & EventsThe Mindat DirectoryDevice SettingsThe Mineral Quiz
Photo SearchPhoto GalleriesSearch by ColorNew Photos TodayNew Photos YesterdayMembers' Photo GalleriesPast Photo of the Day GalleryPhotography

Tomboarivo pegmatite, Sahanivotry Manandona, Antsirabe II District, Vakinankaratra, Madagascari
Regional Level Types
Tomboarivo pegmatitePegmatite
Sahanivotry ManandonaCommune
Antsirabe II DistrictDistrict
VakinankaratraRegion
MadagascarCountry

This page is currently not sponsored. Click here to sponsor this page.
PhotosMapsSearch
Latitude & Longitude (WGS84):
20° South , 47° East (est.)
Estimate based on other nearby localities or region boundaries.
Margin of Error:
~12km
KΓΆppen climate type:
Mindat Locality ID:
73009
Long-form identifier:
mindat:1:2:73009:8
GUID (UUID V4):
b3d4ec4f-96fe-4f2e-892a-038967cbb57a
Other Languages:
Malagasy:
Tomboarivo, Kaominin'i Sahanivotry Manandona, Distrikan' Antsirabe II, Vakinankaratra, Madagasikara


A pegmatite worked for betafite situated about 2-3 km west of the small town Sahanivotry in the Manandona valley about 30 km south of the city Antsirabe in the central highland of Madagascar.

Select Mineral List Type

Standard Detailed Gallery Strunz Chemical Elements

Mineral List


14 valid minerals.

Rock Types Recorded

Note: data is currently VERY limited. Please bear with us while we work towards adding this information!

Select Rock List Type

Alphabetical List Tree Diagram

Detailed Mineral List:

β“˜ Aeschynite-(Y)
Formula: (Y,Ln,Ca,Th)(Ti,Nb)2(O,OH)6
Description: Pseudo-hexagonal crystals (described as priorite, analyzed by Mignot)
Reference: Behier, J. (1958): Contribution ã la mineralogie de Madagascar (Deuxième partie). Travaux du Bureau Géologique, Service Géologique Tananarive, p.92 + fig 15, planche 2.; Besairie H. (1966): Les Gites Minéraux de Madagascar. Annales Géologiques de Madagascar, Tananarive. 34, p. 71
β“˜ 'Allanite Group'
Formula: (A12+REE3+)(M13+M23+M32+)O[Si2O7][SiO4](OH)
Reference: Besairie H. (1966): Les Gites MinΓ©raux de Madagascar. Annales GΓ©ologiques de Madagascar, Tananarive. 34, p.71
β“˜ Anatase
Formula: TiO2
Description: Variety xanthitane. As microscopic crystals in pseudomorphs after titanite
Reference: Behier, J. (1960): Contribution Γ‘ la mineralogie de Madagascar. Annales GΓ©ologiques de Madagascar XXIX, Tananarive, p 15
β“˜ Anatase var. Xanthitane
Formula: TiO2
Reference: Besairie H. (1966): Les Gites MinΓ©raux de Madagascar. Annales GΓ©ologiques de Madagascar, Tananarive. 34, p.71 + 390
β“˜ Autunite ?
Formula: Ca(UO2)2(PO4)2 · 10-12H2O
Reference: Michel Arliguie collection & photo (photo id 898865), old collection, id by Jean Behier
β“˜ Beryl
Formula: Be3Al2(Si6O18)
Reference: Besairie H. (1966): Les Gites MinΓ©raux de Madagascar. Annales GΓ©ologiques de Madagascar, Tananarive. 34, p. 71
β“˜ 'Biotite'
Formula: K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2 or Simplified: K(Mg,Fe)3AlSi3O10(OH)2
Reference: Besairie H. (1966): Les Gites MinΓ©raux de Madagascar. Annales GΓ©ologiques de Madagascar, Tananarive. 34, p.71 + 390
β“˜ Bismutite
Formula: (BiO)2CO3
Reference: Besairie H. (1966): Les Gites MinΓ©raux de Madagascar. Annales GΓ©ologiques de Madagascar, Tananarive. 34, p. 71
β“˜ 'Fergusonite'
Reference: Besairie H. (1966): Les Gites MinΓ©raux de Madagascar. Annales GΓ©ologiques de Madagascar, Tananarive. 34, p. 71
β“˜ Hematite
Formula: Fe2O3
Reference: Besairie H. (1966): Les Gites MinΓ©raux de Madagascar. Annales GΓ©ologiques de Madagascar, Tananarive. 34, p. 71
β“˜ Magnetite
Formula: Fe2+Fe3+2O4
Reference: Besairie H. (1966): Les Gites MinΓ©raux de Madagascar. Annales GΓ©ologiques de Madagascar, Tananarive. 34, p. 71
β“˜ Microcline
Formula: K(AlSi3O8)
Reference: Besairie H. (1966): Les Gites MinΓ©raux de Madagascar. Annales GΓ©ologiques de Madagascar, Tananarive. 34, p. 71
β“˜ Microcline var. Amazonite
Formula: K(AlSi3O8)
Reference: Besairie H. (1966): Les Gites MinΓ©raux de Madagascar. Annales GΓ©ologiques de Madagascar, Tananarive. 34, p. 71
β“˜ 'Monazite'
Formula: REE(PO4)
Reference: Besairie H. (1966): Les Gites MinΓ©raux de Madagascar. Annales GΓ©ologiques de Madagascar, Tananarive. 34, p. 71
β“˜ 'Pyrochlore Supergroup'
Formula: A2-mD2X6-wZ1-n
Reference: Besairie H. (1966): Les Gites MinΓ©raux de Madagascar. Annales GΓ©ologiques de Madagascar, Tananarive. 34, p. 71
β“˜ 'Pyrochlore Supergroup var. Betafite (of Hogarth 1977)'
Formula: (Ca,Na,U)2(Ti, Nb,Ta)2O6Z(OH)
Reference: Besairie H. (1966): Les Gites MinΓ©raux de Madagascar. Annales GΓ©ologiques de Madagascar, Tananarive. 34, p. 71
β“˜ Quartz
Formula: SiO2
Reference: Besairie H. (1966): Les Gites MinΓ©raux de Madagascar. Annales GΓ©ologiques de Madagascar, Tananarive. 34, p. 71
β“˜ Quartz var. Smoky Quartz
Formula: SiO2
Reference: Behier, J. (1960): Contribution Γ‘ la MinΓ©ralogie de Madagascar. Annales GΓ©ologiques de Madagascar XXIX, Tananarive, p.58; Besairie H. (1966): Les Gites MinΓ©raux de Madagascar. Annales GΓ©ologiques de Madagascar, Tananarive. 34, p. 390
β“˜ Rutile
Formula: TiO2
Description: Reticulated twinned crystals on smoky quartz.
Reference: Behier, J. (1960): Contribution Γ‘ la MinΓ©ralogie de Madagascar. Annales GΓ©ologiques de Madagascar XXIX, Tananarive, p.58; Besairie H. (1966): Les Gites MinΓ©raux de Madagascar. Annales GΓ©ologiques de Madagascar, Tananarive. 34, p. 71
β“˜ Rutile var. Ilmenorutile
Formula: (Ti,Nb)O2
Reference: Besairie H. (1966): Les Gites MinΓ©raux de Madagascar. Annales GΓ©ologiques de Madagascar, Tananarive. 34, p. 71
β“˜ Thorite
Formula: Th(SiO4)
Reference: Besairie H. (1966): Les Gites MinΓ©raux de Madagascar. Annales GΓ©ologiques de Madagascar, Tananarive. 34, p. 71
β“˜ Thorite var. Orangite
Formula: Th(SiO4)
Reference: Besairie H. (1966): Les Gites MinΓ©raux de Madagascar. Annales GΓ©ologiques de Madagascar, Tananarive. 34, p. 71
β“˜ Titanite
Formula: CaTi(SiO4)O
Reference: Besairie H. (1966): Les Gites MinΓ©raux de Madagascar. Annales GΓ©ologiques de Madagascar, Tananarive. 34, p. 71
β“˜ 'Tourmaline'
Formula: AD3G6 (T6O18)(BO3)3X3Z
Reference: Besairie H. (1966): Les Gites MinΓ©raux de Madagascar. Annales GΓ©ologiques de Madagascar, Tananarive. 34, p. 71
β“˜ Vermiculite
Formula: Mg0.7(Mg,Fe,Al)6(Si,Al)8O20(OH)4 · 8H2O
Reference: Besairie H. (1966): Les Gites MinΓ©raux de Madagascar. Annales GΓ©ologiques de Madagascar, Tananarive. 34, p. 71
β“˜ Zircon
Formula: Zr(SiO4)
Reference: Besairie H. (1966): Les Gites MinΓ©raux de Madagascar. Annales GΓ©ologiques de Madagascar, Tananarive. 34, p. 71
β“˜ Zircon var. Malacon
Formula: Zr(SiO4)
Reference: Besairie H. (1966): Les Gites MinΓ©raux de Madagascar. Annales GΓ©ologiques de Madagascar, Tananarive. 34, p.71 + 390

List of minerals arranged by Strunz 10th Edition classification

Group 4 - Oxides and Hydroxides
β“˜Aeschynite-(Y)4.DF.05(Y,Ln,Ca,Th)(Ti,Nb)2(O,OH)6
β“˜Anatase4.DD.05TiO2
β“˜var. Xanthitane4.DD.05TiO2
β“˜Hematite4.CB.05Fe2O3
β“˜Magnetite4.BB.05Fe2+Fe3+2O4
β“˜Quartz4.DA.05SiO2
β“˜var. Smoky Quartz4.DA.05SiO2
β“˜Rutile4.DB.05TiO2
β“˜var. Ilmenorutile4.DB.05(Ti,Nb)O2
Group 5 - Nitrates and Carbonates
β“˜Bismutite5.BE.25(BiO)2CO3
Group 8 - Phosphates, Arsenates and Vanadates
β“˜Autunite ?8.EB.05Ca(UO2)2(PO4)2 Β· 10-12H2O
Group 9 - Silicates
β“˜Beryl9.CJ.05Be3Al2(Si6O18)
β“˜Microcline9.FA.30K(AlSi3O8)
β“˜var. Amazonite9.FA.30K(AlSi3O8)
β“˜Thorite9.AD.30Th(SiO4)
β“˜var. Orangite9.AD.30Th(SiO4)
β“˜Titanite9.AG.15CaTi(SiO4)O
β“˜Vermiculite9.EC.50Mg0.7(Mg,Fe,Al)6(Si,Al)8O20(OH)4 Β· 8H2O
β“˜Zircon9.AD.30Zr(SiO4)
β“˜var. Malacon9.AD.30Zr(SiO4)
Unclassified Minerals, Rocks, etc.
β“˜'Allanite Group'-(A12+REE3+)(M13+M23+M32+)O[Si2O7][SiO4](OH)
β“˜'Biotite'-K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2 or Simplified: K(Mg,Fe)3AlSi3O10(OH)2
β“˜'Fergusonite'-
β“˜'Monazite'-REE(PO4)
β“˜'Pyrochlore Supergroup'-A2-mD2X6-wZ1-n
β“˜'var. Betafite (of Hogarth 1977)'-(Ca,Na,U)2(Ti, Nb,Ta)2O6Z(OH)
β“˜'Tourmaline'-AD3G6 (T6O18)(BO3)3X3Z

List of minerals for each chemical element

HHydrogen
Hβ“˜ Pyrochlore Supergroup var. Betafite (of Hogarth 1977)(Ca,Na,U)2(Ti, Nb,Ta)2O6Z(OH)
Hβ“˜ Aeschynite-(Y)(Y,Ln,Ca,Th)(Ti,Nb)2(O,OH)6
Hβ“˜ Allanite Group(A12+REE3+)(M13+M23+M32+)O[Si2O7][SiO4](OH)
Hβ“˜ VermiculiteMg0.7(Mg,Fe,Al)6(Si,Al)8O20(OH)4 · 8H2O
Hβ“˜ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2 or Simplified: K(Mg,Fe)3AlSi3O10(OH)2
Hβ“˜ AutuniteCa(UO2)2(PO4)2 · 10-12H2O
BeBeryllium
Beβ“˜ BerylBe3Al2(Si6O18)
BBoron
Bβ“˜ TourmalineAD3G6 (T6O18)(BO3)3X3Z
CCarbon
Cβ“˜ Bismutite(BiO)2CO3
OOxygen
Oβ“˜ AnataseTiO2
Oβ“˜ Pyrochlore Supergroup var. Betafite (of Hogarth 1977)(Ca,Na,U)2(Ti, Nb,Ta)2O6Z(OH)
Oβ“˜ Aeschynite-(Y)(Y,Ln,Ca,Th)(Ti,Nb)2(O,OH)6
Oβ“˜ RutileTiO2
Oβ“˜ TitaniteCaTi(SiO4)O
Oβ“˜ Allanite Group(A12+REE3+)(M13+M23+M32+)O[Si2O7][SiO4](OH)
Oβ“˜ Microcline var. AmazoniteK(AlSi3O8)
Oβ“˜ VermiculiteMg0.7(Mg,Fe,Al)6(Si,Al)8O20(OH)4 · 8H2O
Oβ“˜ MonaziteREE(PO4)
Oβ“˜ BerylBe3Al2(Si6O18)
Oβ“˜ QuartzSiO2
Oβ“˜ MicroclineK(AlSi3O8)
Oβ“˜ ThoriteTh(SiO4)
Oβ“˜ Thorite var. OrangiteTh(SiO4)
Oβ“˜ MagnetiteFe2+Fe23+O4
Oβ“˜ HematiteFe2O3
Oβ“˜ TourmalineAD3G6 (T6O18)(BO3)3X3Z
Oβ“˜ Rutile var. Ilmenorutile(Ti,Nb)O2
Oβ“˜ Bismutite(BiO)2CO3
Oβ“˜ ZirconZr(SiO4)
Oβ“˜ Quartz var. Smoky QuartzSiO2
Oβ“˜ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2 or Simplified: K(Mg,Fe)3AlSi3O10(OH)2
Oβ“˜ Anatase var. XanthitaneTiO2
Oβ“˜ Zircon var. MalaconZr(SiO4)
Oβ“˜ AutuniteCa(UO2)2(PO4)2 · 10-12H2O
FFluorine
Fβ“˜ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2 or Simplified: K(Mg,Fe)3AlSi3O10(OH)2
NaSodium
Naβ“˜ Pyrochlore Supergroup var. Betafite (of Hogarth 1977)(Ca,Na,U)2(Ti, Nb,Ta)2O6Z(OH)
MgMagnesium
Mgβ“˜ VermiculiteMg0.7(Mg,Fe,Al)6(Si,Al)8O20(OH)4 · 8H2O
Mgβ“˜ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2 or Simplified: K(Mg,Fe)3AlSi3O10(OH)2
AlAluminium
Alβ“˜ Microcline var. AmazoniteK(AlSi3O8)
Alβ“˜ VermiculiteMg0.7(Mg,Fe,Al)6(Si,Al)8O20(OH)4 · 8H2O
Alβ“˜ BerylBe3Al2(Si6O18)
Alβ“˜ MicroclineK(AlSi3O8)
Alβ“˜ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2 or Simplified: K(Mg,Fe)3AlSi3O10(OH)2
SiSilicon
Siβ“˜ TitaniteCaTi(SiO4)O
Siβ“˜ Allanite Group(A12+REE3+)(M13+M23+M32+)O[Si2O7][SiO4](OH)
Siβ“˜ Microcline var. AmazoniteK(AlSi3O8)
Siβ“˜ VermiculiteMg0.7(Mg,Fe,Al)6(Si,Al)8O20(OH)4 · 8H2O
Siβ“˜ BerylBe3Al2(Si6O18)
Siβ“˜ QuartzSiO2
Siβ“˜ MicroclineK(AlSi3O8)
Siβ“˜ ThoriteTh(SiO4)
Siβ“˜ Thorite var. OrangiteTh(SiO4)
Siβ“˜ ZirconZr(SiO4)
Siβ“˜ Quartz var. Smoky QuartzSiO2
Siβ“˜ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2 or Simplified: K(Mg,Fe)3AlSi3O10(OH)2
Siβ“˜ Zircon var. MalaconZr(SiO4)
PPhosphorus
Pβ“˜ MonaziteREE(PO4)
Pβ“˜ AutuniteCa(UO2)2(PO4)2 · 10-12H2O
KPotassium
Kβ“˜ Microcline var. AmazoniteK(AlSi3O8)
Kβ“˜ MicroclineK(AlSi3O8)
Kβ“˜ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2 or Simplified: K(Mg,Fe)3AlSi3O10(OH)2
CaCalcium
Caβ“˜ Pyrochlore Supergroup var. Betafite (of Hogarth 1977)(Ca,Na,U)2(Ti, Nb,Ta)2O6Z(OH)
Caβ“˜ Aeschynite-(Y)(Y,Ln,Ca,Th)(Ti,Nb)2(O,OH)6
Caβ“˜ TitaniteCaTi(SiO4)O
Caβ“˜ AutuniteCa(UO2)2(PO4)2 · 10-12H2O
TiTitanium
Tiβ“˜ AnataseTiO2
Tiβ“˜ Pyrochlore Supergroup var. Betafite (of Hogarth 1977)(Ca,Na,U)2(Ti, Nb,Ta)2O6Z(OH)
Tiβ“˜ Aeschynite-(Y)(Y,Ln,Ca,Th)(Ti,Nb)2(O,OH)6
Tiβ“˜ RutileTiO2
Tiβ“˜ TitaniteCaTi(SiO4)O
Tiβ“˜ Rutile var. Ilmenorutile(Ti,Nb)O2
Tiβ“˜ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2 or Simplified: K(Mg,Fe)3AlSi3O10(OH)2
Tiβ“˜ Anatase var. XanthitaneTiO2
FeIron
Feβ“˜ VermiculiteMg0.7(Mg,Fe,Al)6(Si,Al)8O20(OH)4 · 8H2O
Feβ“˜ MagnetiteFe2+Fe23+O4
Feβ“˜ HematiteFe2O3
Feβ“˜ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2 or Simplified: K(Mg,Fe)3AlSi3O10(OH)2
YYttrium
Yβ“˜ Aeschynite-(Y)(Y,Ln,Ca,Th)(Ti,Nb)2(O,OH)6
ZrZirconium
Zrβ“˜ ZirconZr(SiO4)
Zrβ“˜ Zircon var. MalaconZr(SiO4)
NbNiobium
Nbβ“˜ Pyrochlore Supergroup var. Betafite (of Hogarth 1977)(Ca,Na,U)2(Ti, Nb,Ta)2O6Z(OH)
Nbβ“˜ Aeschynite-(Y)(Y,Ln,Ca,Th)(Ti,Nb)2(O,OH)6
Nbβ“˜ Rutile var. Ilmenorutile(Ti,Nb)O2
TaTantalum
Taβ“˜ Pyrochlore Supergroup var. Betafite (of Hogarth 1977)(Ca,Na,U)2(Ti, Nb,Ta)2O6Z(OH)
BiBismuth
Biβ“˜ Bismutite(BiO)2CO3
ThThorium
Thβ“˜ Aeschynite-(Y)(Y,Ln,Ca,Th)(Ti,Nb)2(O,OH)6
Thβ“˜ ThoriteTh(SiO4)
Thβ“˜ Thorite var. OrangiteTh(SiO4)
UUranium
Uβ“˜ Pyrochlore Supergroup var. Betafite (of Hogarth 1977)(Ca,Na,U)2(Ti, Nb,Ta)2O6Z(OH)
Uβ“˜ AutuniteCa(UO2)2(PO4)2 · 10-12H2O

References

Sort by

Year (asc) Year (desc) Author (A-Z) Author (Z-A)
Behier, J. (1958) Contribution ã la mineralogie de Madagascar (Deuxième partie). Travaux du Bureau Géologique, Service Géologique Tananarive, p. 92 + fig. 15, planche 2.
Besairie H. (1966) Les Gites MinΓ©raux de Madagascar. Annales GΓ©ologiques de Madagascar, Tananarive. 34, p. 71 + 390

Other Regions, Features and Areas containing this locality

Madagascar
Somali PlateTectonic Plate

This page contains all mineral locality references listed on mindat.org. This does not claim to be a complete list. If you know of more minerals from this site, please register so you can add to our database. This locality information is for reference purposes only. You should never attempt to visit any sites listed in mindat.org without first ensuring that you have the permission of the land and/or mineral rights holders for access and that you are aware of all safety precautions necessary.
 
Mineral and/or Locality  
Mindat Discussions Facebook Logo Instagram Logo Discord Logo
Mindat.org is an outreach project of the Hudson Institute of Mineralogy, a 501(c)(3) not-for-profit organization.
Copyright © mindat.org and the Hudson Institute of Mineralogy 1993-2024, except where stated. Most political location boundaries are Β© OpenStreetMap contributors. Mindat.org relies on the contributions of thousands of members and supporters. Founded in 2000 by Jolyon Ralph.
Privacy Policy - Terms & Conditions - Contact Us / DMCA issues - Report a bug/vulnerability Current server date and time: March 28, 2024 08:46:16 Page updated: May 29, 2023 13:09:48
Go to top of page