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Betafo, Vakinankaratra, Madagascari
Regional Level Types
BetafoDistrict
VakinankaratraRegion
MadagascarCountry

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Key
Locality type:
Largest Settlements:
PlacePopulation
Betafo29,785 (2018)
Other Languages:
French:
Betafo, Vakinankaratra, Madagascar
German:
Betafo, Vakinankaratra, Madagaskar
Italian:
Betafo, Regione di Vakinankaratra, Madagascar
Malagasy:
Distrikan'i Betafo, Vakinankaratra, Madagasikara
Simplified Chinese:
贝塔富, 瓦卡南卡拉特拉, 马达加斯加
Spanish:
Betafo, Región de Vakinankaratra, Madagascar
Arabic:
بيتافو, فاكينانكارترا, مدغشقر
Bulgarian:
Бетафо, Вакинанкарача, Мадагаскар
Cebuano:
Betafo, Vakinankaratra Region, Madagascar
Dutch:
Betafo, Vakinankaratra, Madagaskar
Indonesian:
Betafo, Vakinankaratra, Madagaskar
Norwegian:
Betafo, Vakinankaratra, Madagaskar
Polish:
Betafo, Vakinankaratra, Madagaskar
Portuguese:
Betafo, Vakinankaratra, Madagáscar
Shona:
Betafo, Madagascar
Swedish:
Betafo, Vakinankaratraregionen, Madagaskar


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Standard Detailed Strunz Dana Chemical Elements

Commodity List

This is a list of exploitable or exploited mineral commodities recorded from this region.


Mineral List

Mineral list contains entries from the region specified including sub-localities

88 valid minerals. 2 (TL) - type locality of valid minerals. 1 (FRL) - first recorded locality of unapproved mineral/variety/etc.

Rock Types Recorded

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Rock list contains entries from the region specified including sub-localities

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Alphabetical List Tree Diagram

Detailed Mineral List:

'Aeschynite Group'
Formula: AD2O6
Reference: Knut Edvard Larsen collection # M-519
Aeschynite-(Y)
Formula: (Y,Ln,Ca,Th)(Ti,Nb)2(O,OH)6
Colour: yellowish on outside (alteration) and greenbrownish inside.
Description: Descibed as priorite
Reference: Behier, J. (1963): Carte mineralogique de Madagascar. Archive Service Géologique Madagascar. A 1871
Albite
Formula: Na(AlSi3O8)
Localities: Reported from at least 6 localities in this region.
Albite var: Cleavelandite
Formula: Na(AlSi3O8)
'Allanite Group'
Formula: {A12+REE3+}{M3+2M32+}(Si2O7)(SiO4)O(OH)
Reference: Behier, J. (1963): Carte minéralogique de Madagascar. Archive Service Géologique Madagascar. A 1871
Almandine
Formula: Fe2+3Al2(SiO4)3
Reference: Knut Edvard Larsen collection # MM-1688
'Almandine-Spessartine Series'
Reference: Knut Edvard Larsen collection
Anatase
Formula: TiO2
Reference: Antonio Borrelli specimen
Andalusite
Formula: Al2(SiO4)O
Reference: Behier, J. (1963): Carte mineralogique de Madagascar. Archive Service Géologique Madagascar. A 1871
'Andradite-Grossular Series'
Reference: Karel Bal Collection
Annite
Formula: KFe2+3(AlSi3O10)(OH)2
Colour: Black
Description: Occurs in large plates.
Reference: De Vito et al (2006): Nb-Ti-Ta oxides in the gem-mineralized and "hybrid" Anjanabonoina granitic pegmatite, central Madagascar: A record of magmatic and postmagmatic events. Canadian Mineralogist. 44: 87-103.; De Vito, C., Pezzotta, F., Ferrini, V., and Aurisicchio, C. (2006): Nb-Ti-Ta oxides in the gem-mineralized and "hybrid" Anjanabonoina granitic pegmatite, central Madagascar: A record of magmatic and postmagmatic events. Canadian Mineralogist 44, 87-103.
Autunite
Formula: Ca(UO2)2(PO4)2 · 11H2O
Reference: Behier, J. (1963): Carte mineralogique de Madagascar. Archive Service Geologique A. 1871.
Baryte
Formula: BaSO4
Colour: white to blueish
Reference: Behier, J. (1960): Travaux mineralogiques. In Rapport Annuel du Service Geologique pour 1960. Republique Madagascar, Tananarive. 181-199
Béhierite
Formula: (Ta5+,Nb5+)(BO4)
Bertrandite
Formula: Be4(Si2O7)(OH)2
Reference: Knut Edvard Larsen collection # MM-1563 ( Identified by xrd at Natural History Museum, Oslo)
Beryl
Formula: Be3Al2(Si6O18)
Localities: Reported from at least 17 localities in this region.
Beryl var: Alkali-beryl
Formula: Be3Al2(Si6O18)
Reference: Lacroix, A. (1922): Mineralogie de Madagascar, Tome I. Géologie-Minéralogie descriptive. A.Challamel (Éditeur), Paris. 624p [p.554-556]
Beryl var: Aquamarine
Formula: Be3Al2Si6O18
Beryl var: Morganite
Formula: Be3Al2(Si6O18)
Reference: Wilson, W. E. (1989) The Anjanabonoina pegmatite, Madagascar. Mineralogical Record 20: 191-200
'Biotite'
Formula: K(Fe2+/Mg)2(Al/Fe3+/Mg)([Si/Al]Si2O10)(OH/F)2
Bismite
Formula: Bi2O3
Bismuth
Formula: Bi
Bismuthinite
Formula: Bi2S3
Bismutite
Formula: (BiO)2CO3
Bityite
Formula: LiCaAl2(AlBeSi2O10)(OH)2
Reference: Knut Edvard Larsen collection # MM-3236
Calcite
Formula: CaCO3
Cassiterite
Formula: SnO2
Cesiokenopyrochlore (TL)
Formula: □Nb2(O,OH)6Cs1−x (x ∼ 0.20)
Type Locality:
Reference: Agakhanov, A.A., Kasatkin, A.V., Britvin, S.N., Siidra, O.I., Pautov, L.A., Pekov, I.V. and Karpenko, V.Y. (2017) Cesiokenopyrochlore, IMA 2016-104. CNMNC Newsletter No. 36, April 2017, page 406; Mineralogical Magazine, 81, 403–409.
Chalcocite
Formula: Cu2S
Reference: Behier, J. (1963): Carte mineralogique de Madagascar. Archive Service Géologique Madagascar. A 1871
Chalcopyrite
Formula: CuFeS2
Reference: JSS collection
'Chlorite Group'
Reference: Lacroix, A. (1922): Mineralogie de Madagascar, Tome I. Géologie-Minéralogie descriptive. A.Challamel (Éditeur), Paris. 624p (p.582)
Chrysoberyl
Formula: BeAl2O4
Reference: Pezzotta, F. (1999): Madagaskar- Da Paradies der Mineralien und Edelsteine. Extra Lapis 17. 56-59
Chrysocolla
Formula: Cu2-xAlx(H2-xSi2O5)(OH)4 · nH2O
Reference: Behier, J. (1963): Carte mineralogique de Madagascar. Archive Service Géologique Madagascar. A 1871
Clinochlore
Formula: Mg5Al(AlSi3O10)(OH)8
Clinohumite
Formula: Mg9(SiO4)4F2
Reference: Knut Edvard Larsen collection (# M-569 + M-576)
Columbite-(Fe)
Formula: Fe2+Nb2O6
Reference: Ranorosoa, N. (1986): Etude mineralogique des pegmatites du champ de la Sahatany, Madagascar. These de doctorat de L'Universite Paul Sabatier, Toulouse
'Columbite-(Fe)-Columbite-(Mn) Series'
Columbite-(Mn)
Formula: Mn2+Nb2O6
'Columbite-(Mn)-Tantalite-(Mn) Series'
Description: See Pavel M. Kartashov comments on columbite-(Mn) in the caption of photo http://www.mindat.org/photo-114523.html.
Reference: Knut Edvard Larsen collection
'Columbite-Tantalite'
Cordierite
Formula: (Mg,Fe)2Al3(AlSi5O18)
Cryptomelane
Formula: K(Mn4+7Mn3+)O16
Reference: Knut Edvard Larsen collection # M-539
Danburite
Formula: CaB2Si2O8
Dravite
Formula: Na(Mg3)Al6(Si6O18)(BO3)3(OH)3(OH)
'Dravite-Schorl Series'
Reference: De Vito et al (2006): Nb-Ti-Ta oxides in the gem-mineralized and "hybrid" Anjanabonoina granitic pegmatite, central Madagascar: A record of magmatic and postmagmatic events. Canadian Mineralogist. 44: 87-103.
'Elbaite-Liddicoatite Series'
Epidote
Formula: {Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
Euxenite-(Y)
Formula: (Y,Ca,Ce,U,Th)(Nb,Ta,Ti)2O6
Localities: Reported from at least 9 localities in this region.
'Feldspar Group'
Reference: Duparc, L., Wunder, M., Sabot, R. (1910): Les minéraux des pegmatites des environs d´Antsirabe á Madagscar. Mémoires de la Société de Physique et d'Histoire Naturelle de Geneve, 36, 3, 283-407
'Fergusonite'
Reference: Arliguie M collection (from old label)
Fergusonite-(Y)
Formula: YNbO4
Reference: Rob Lavinsky specimen
Fersmite
Formula: (Ca,Ce,Na)(Nb,Ta,Ti)2(O,OH,F)6
Feruvite ?
Formula: Ca(Fe2+)3MgAl5(Si6O18)(BO3)3(OH)3(OH)
Description: No published analysis or other information. Samples visually identical to samples sold as feruvite in mineral shows has showed to be dravite.(K.E.Larsen commment des 2011)
Reference: Gunnar Färber, Samswegen, 2005
Fluorapatite
Formula: Ca5(PO4)3F
Reference: Lacroix, A. (1912): Sur quelques minéraux des pegmatites du Vakinankaratra (Madagascar). Bulletin de la Société française de Minéralogie 35 , 76-84
Fluorapatite var: Mn-bearing Fluorapatite
Formula: (Ca,Mn2+)5(PO4)3(F,Cl,OH) or Ca5([P,Mn5+]O4)3(F,Cl,OH)
Colour: blue; Prusse blue
Description: A. Lacroix (1912) suggest that the blue tourmaline mentioned by Duparc et al(1910) is a misnomer for "manganapatite" which occured abundantly at the locality.
Reference: Lacroix, A. (1912): Sur quelques minéraux des pegmatites du Vakinankaratra (Madagascar). Bulletin de la Société française de Minéralogie 35 , 76-84
Fluor-elbaite
Formula: Na(Li1.5Al1.5)Al6(Si6O18)(BO3)3(OH)3F
Reference: Ertl, A., Hughes, J. M., Prowatke, S., Ludwig, T., Prasad, P. S. R., Brandstätter, F., Körner, W., Schuster, R., Pertlik, F. and Marschall, H. (2006): Tetrahedrally coordinated boron in tourmalines from the liddicoatite-elbaite series from Madagascar: Structure, chemistry, and infrared spectroscopic studies. Am. Mineral. 91, 1847-1856. [F-dominant]
Fluor-liddicoatite
Formula: Ca(Li2Al)Al6(Si6O18)(BO3)3(OH)3F
Reference: Ertl, A., Hughes, J. M., Prowatke, S., Ludwig, T., Prasad, P. S. R., Brandstätter, F., Körner, W., Schuster, R., Pertlik, F. and Marschall, H. (2006): Tetrahedrally coordinated boron in tourmalines from the liddicoatite-elbaite series from Madagascar: Structure, chemistry, and infrared spectroscopic studies. Am. Mineral. 91, 1847-1856. [F-dominant]; Lussier, A. J., Abdu, Y., Hawthorne, F. C., Michaelis, V. K., Aguiar, P. M. and Kroeker, S. (2011): Oscillatory zoned liddicoatite from Anjanabonoina, central Madagascar. I. Crystal chemistry and structure by SREF and 11B and 27Al MAS NMR spectroscopy. Can. Mineral. 49, 63-88. [F-dominant]
Forsterite
Formula: Mg2SiO4
Reference: Knut Edvard Larsen collection
'Garnet Group'
Formula: X3Z2(SiO4)3
Gedrite
Formula: ☐{Mg2}{Mg3Al2}(Al2Si6O22)(OH)2
Reference: Behier, J. (1963): Carte mineralogique de Madagascar. Archive Service Géologique Madagascar. A 1871
Gibbsite
Formula: Al(OH)3
Reference: Wilson, W.E. (1989) The Anjanabonoina pegmatite, Madagascar. Mineralogical Record 20: 191-200
Goethite
Formula: α-Fe3+O(OH)
Reference: Ranorosoa, N. (1986): Etude mineralogique des pegmatites du champ de la Sahatany, Madagascar. These de Doctorat de l`Universite Paul Sabatier, Toulouse.
Graphite
Formula: C
Reference: Adamo, I., Diella, V. & Pezzotta, F. (2012): Tsavorite and other Grossulars from Itrafo, Madagascar. Gems & Gemology. 48, 178-187; Muséum national d'histoire naturelle, Paris, France Collection, Inventory 161.153.
Grossular
Formula: Ca3Al2(SiO4)3
Grossular var: Tsavorite
Formula: Ca3Al2(SiO4)3
Reference: Adamo, I., Diella, V. & Pezzotta, F. (2012): Tsavorite and other Grossulars from Itrafo, Madagascar. Gems & Gemology. 48, 178-187
Hambergite
Formula: Be2(BO3)(OH)
Hematite
Formula: Fe2O3
'Hornblende'
Reference: Lacroix, A. (1922): Mineralogie de Madagascar, Tome I. Géologie-Minéralogie descriptive. A.Challamel (Éditeur), Paris. 624p (p 563)
Hübnerite
Formula: MnWO4
Reference: Demartin, F. et al (2001): Schiavinatoite,(Nb,Ta)BO4, the Nb analogue of behierite. European Journal of Mineralogy 13, 159-165
Ilmenite
Formula: Fe2+TiO3
Reference: Behier, J. (1963): Carte minéralogique de Madagascar. Archive Service Géologique Madagascar. A 1871
'K Feldspar'
'K Feldspar var: Adularia'
Formula: KAlSi3O8
Reference: Behier, J. (1963): Carte mineralogique de Madagascar. Archive Service Géologique Madagascar. A 1871; Lacroix, A. (1922): Mineralogie de Madagascar, Tome I. Géologie-Minéralogie descriptive. A.Challamel (Éditeur), Paris. 624p (p 582)
Lazulite
Formula: MgAl2(PO4)2(OH)2
Reference: Behier, J. (1963): Carte mineralogique de Madagascar. Archive Service Géologique Madagascar. A 1871
'Lepidolite'
'Liddicoatite' ?
Formula: Ca(Li2Al)Al6(Si6O18)(BO3)3(OH)3(OH)
Londonite
Formula: (Cs,K,Rb)Al4Be4(B,Be)12O28
'Londonite-Rhodizite Series'
Magnetite
Formula: Fe2+Fe3+2O4
Malachite
Formula: Cu2(CO3)(OH)2
Reference: Behier, J. (1963): Carte mineralogique de Madagascar. Archive Service Géologique Madagascar. A 1871
'Mica Group'
Reference: Knut Edvard Larsen collection (#M-575)
Microcline
Formula: K(AlSi3O8)
Localities: Reported from at least 6 localities in this region.
Microcline var: Amazonite
Formula: K(AlSi3O8)
'Microlite Group'
Formula: A2-mTa2X6-wZ-n
Molybdenite
Formula: MoS2
Reference: Behier, J. (1963): Carte mineralogique de Madagascar. Archive Service Gélogique Madagascar. A 1871.
'Monazite'
Monazite-(Ce)
Formula: Ce(PO4)
Montmo