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Antsirabé 2 District, Vakinankaratra Region (Betafo - Antsirabé region), Antananarivo Province, Madagascar

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(Distrikan' i Antsirabe II, Faritra Vakinankaratra, Faritany Antananarivo, Madagasikara)

The rural district around the town Antsirabé (Antsirabé 1 District)




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


Mineral List:
  		•  Aeschynite-(Y)
    (Y,Ca,Fe,Th)(Ti,Nb)
     
    2
    		(O,OH)
     
    6
    Reference: [Besairie H. (1966): Les Gites Minéraux de Madagascar. Annales Géologiques de Madagascar, Tananarive. 34, p. 71]
    Site Photo
    Tomboarivo pegmatite, Sahanivotry Commune, Antsirabé 2 District, Vakinankaratra Region (Betafo - Antsirabé region), Antananarivo Province, Madagascar
    © ARLIGUIE M
  		•  Albite
    Na[AlSi
     
    3
    		O
     
    8
    		]
    Description: Inclusions in corundum.
    Reference: [Rakotondrazafy, A.F.M., Giuliani, G., Ohnenstetter, D., Fallick, A.E., Rakotosamizanany, S., Andriamamonjy, A., Ralantoarison, T., Razanatseheno, M., Offant, Y., Garnier, V., Maluski, H., Dunaigre, C., Schwarz, D., and Ratrimo, V. (2008): Ore Geology Reviews 34, 134-154.]
  		•  'Allanite'
    Reference: [Besairie H. (1966): Les Gites Minéraux de Madagascar. Annales Géologiques de Madagascar, Tananarive. 34, p.71]
  		•  'Almandine-Pyrope Series'
    Reference: [Rakotondrazafy, A.F.M., Giuliani, G., Ohnenstetter, D., Fallick, A.E., Rakotosamizanany, S., Andriamamonjy, A., Ralantoarison, T., Razanatseheno, M., Offant, Y., Garnier, V., Maluski, H., Dunaigre, C., Schwarz, D., and Ratrimo, V. (2008): Ore Geology Reviews 34, 134-154.]
  		•  'Almandine-Spessartine Series'
    Reference: [Moore, T. (1998): What's New in Minerals. Mineralogical Record. 29, p. 132]
    Site Photo
    Ialamitana, Sahanivotry Commune, Antsirabé 2 District, Vakinankaratra Region (Betafo - Antsirabé region), Antananarivo Province, Madagascar
    © Marco Barsanti
  		•  Anatase
    TiO
     
    2
    Description: Variety xanthitane. As microscopic crystals in pseudomorphs after titanite
    Reference: [Behier, J. (1960): Contribution á la mineralogie de Madagascar. Annales Géologiques de Madagascar XXIX, Tananarive, p 15]
  		•  Anorthite
    var: Bytownite
    (Ca,Na)[Al(Al,Si)Si
     
    2
    		O
     
    8
    		]
    Reference: [Rakotondrazafy, A.F.M., Giuliani, G., Ohnenstetter, D., Fallick, A.E., Rakotosamizanany, S., Andriamamonjy, A., Ralantoarison, T., Razanatseheno, M., Offant, Y., Garnier, V., Maluski, H., Dunaigre, C., Schwarz, D., and Ratrimo, V. (2008): Ore Geology Reviews 34, 134-154.]
  		•  Anorthite
    var: Labradorite
    (Ca,Na)[Al(Al,Si)Si
     
    2
    		O
     
    8
    		]
    Reference: [Rakotondrazafy, A.F.M., Giuliani, G., Ohnenstetter, D., Fallick, A.E., Rakotosamizanany, S., Andriamamonjy, A., Ralantoarison, T., Razanatseheno, M., Offant, Y., Garnier, V., Maluski, H., Dunaigre, C., Schwarz, D., and Ratrimo, V. (2008): Ore Geology Reviews 34, 134-154.]
  		•  'Apatite'
    Colour: yellow transparent
    Description: A.Lacroix describes large crystals from this area
    Reference: [A.Lacroix (1922): Mineralogie de Madagascar,T.1, p 353]
    Site Photo
    Sahanivotry Commune, Antsirabé 2 District, Vakinankaratra Region (Betafo - Antsirabé region), Antananarivo Province, Madagascar
    © Arliguie M
  		•  Aragonite
    CaCO
     
    3
    Reference: [Behier, J. (1963): Carte mineralogique de Madagascar. Archive Service Géologique Madagascar. A 1871]
  		•  'Asbestos'
    Reference: [- Behier, J. (1963): Carte mineralogique de Madagascar. Archive Service Géologique Madagascar. A 1871]
  		•  Autunite
    Ca(UO
     
    2
    		)
     
    2
    		(PO
     
    4
    		)
     
    2
    		·11H
     
    2
    		O
    Reference: [Behier, J. (1963): Carte mineralogique de Madagascar. Archive Service Géologique Madagascar. A 1871]
  		•  Baryte
    BaSO
     
    4
    Reference: [Behier, J. (1963): Carte mineralogique de Madagascar. Archive Service Géologique Madagascar. A 1871]
  		•  Beryl
    Be
     
    3
    		Al
     
    2
    		Si
     
    6
    		O
     
    18
    Reference: [Besairie H. (1966): Les Gites Minéraux de Madagascar. Annales Géologiques de Madagascar, Tananarive. 34, p. 71]
  		•  Betafite
    (Ca,U)
     
    2
    		(Ti,Nb)
     
    2
    		O
     
    6
    		(OH)
    Reference: [Besairie H. (1966): Les Gites Minéraux de Madagascar. Annales Géologiques de Madagascar, Tananarive. 34, p. 71]
    Site Photo
    Tomboarivo pegmatite, Sahanivotry Commune, Antsirabé 2 District, Vakinankaratra Region (Betafo - Antsirabé region), Antananarivo Province, Madagascar
    © Arliguie M
  		•  Biotite
    Reference: [Rakotondrazafy, A.F.M., Giuliani, G., Ohnenstetter, D., Fallick, A.E., Rakotosamizanany, S., Andriamamonjy, A., Ralantoarison, T., Razanatseheno, M., Offant, Y., Garnier, V., Maluski, H., Dunaigre, C., Schwarz, D., and Ratrimo, V. (2008): Ore Geology Reviews 34, 134-154.]
  		•  Bismutite
    (BiO)
     
    2
    		CO
     
    3
    Reference: [Besairie H. (1966): Les Gites Minéraux de Madagascar. Annales Géologiques de Madagascar, Tananarive. 34, p. 71]
  		•  Chalcopyrite
    CuFeS
     
    2
    Reference: [Behier, J. (1963): Carte mineralogique de Madagascar. Archive Service Géologique Madagascar. A 1871]
  		•  Corundum
    Al
     
    2
    		O
     
    3
    Reference: [Lacroix, A. (1922): Mineralogie de Madagascar, Tome I. Géologie-Minéralogie descriptive. A.Challamel (Éditeur), Paris. p 251]
  		•  Corundum
    var: Ruby
    Al
     
    2
    		O
     
    3
    Reference: [Giuliani, G., Fallick, A., Rakotondrazafy, M., Ohnenstetter, D., Andriamamonjy, A., Ralantoarison, T., Rakotosamizanany, S., Razanatseheno, M., Offant, Y., Garnier, V., Dunaigre, C., Schwarz, D., Mercier, A., Ratrimo, V., and Ralison, B. (2007): Mineralium Deposita 42, 251-270.]
  		•  Corundum
    var: Sapphire
    Al
     
    2
    		O
     
    3
    Reference: [Rakotondrazafy, A.F.M., Giuliani, G., Ohnenstetter, D., Fallick, A.E., Rakotosamizanany, S., Andriamamonjy, A., Ralantoarison, T., Razanatseheno, M., Offant, Y., Garnier, V., Maluski, H., Dunaigre, C., Schwarz, D., and Ratrimo, V. (2008): Ore Geology Reviews 34, 134-154.]
  		•  Euxenite-(Y)
    (Y,Ca,Ce,U,Th)(Nb,Ta,Ti)
     
    2
    		O
     
    6
    Reference: [Behier, J. (1963): Carte mineralogique de Madagascar. Archive Service Geologique A. 1871]
  		•  'Fergusonite'
    Reference: [Besairie H. (1966): Les Gites Minéraux de Madagascar. Annales Géologiques de Madagascar, Tananarive. 34, p. 71]
  		•  Hastingsite
    [Na][Ca
     
    2
    		][Fe
    2+
    4
    		Fe
    3+
     
    		][(OH)
     
    2
    		|Al
     
    2
    		Si
     
    6
    		O
     
    22
    		]
    Reference: [Behier, J. (1963): Carte mineralogique de Madagascar. Archive Service Geologique A. 1871]
  		•  Hematite
    Fe
     
    2
    		O
     
    3
    Reference: [Besairie H. (1966): Les Gites Minéraux de Madagascar. Annales Géologiques de Madagascar, Tananarive. 34, p. 71]
  		•  Ilmenite
    Fe
    2+
     
    		TiO
     
    3
    Description: Inclusions in corundum.
    Reference: [Rakotondrazafy, A.F.M., Giuliani, G., Ohnenstetter, D., Fallick, A.E., Rakotosamizanany, S., Andriamamonjy, A., Ralantoarison, T., Razanatseheno, M., Offant, Y., Garnier, V., Maluski, H., Dunaigre, C., Schwarz, D., and Ratrimo, V. (2008): Ore Geology Reviews 34, 134-154.]
  		•  Lazulite
    (Mg,Fe
    2+
     
    		)Al
     
    2
    		[OH|PO
     
    4
    		]
     
    2
    Reference: [Behier, J. (1963): Carte mineralogique de Madagascar. Archive Service Geologique A. 1871; Palache, C., Berman, H., & Frondel, C. (1951), The System of Mineralogy of James Dwight Dana and Edward Salisbury Dana, Yale University 1837-1892, Volume II: 910.]
  		•  Magnetite
    Fe
    2+
     
    		Fe
    3+
    2
    		O
     
    4
    Reference: [Besairie H. (1966): Les Gites Minéraux de Madagascar. Annales Géologiques de Madagascar, Tananarive. 34, p. 71]
  		•  Marcasite
    FeS
     
    2
    Reference: [Behier, J. (1960): Contribution á la Minéralogie de Madagascar. Annales Géologiques de Madagascar XXIX, Tananarive. p 69-70]
  		•  Microcline
    K[AlSi
     
    3
    		O
     
    8
    		]
    Reference: [Besairie H. (1966): Les Gites Minéraux de Madagascar. Annales Géologiques de Madagascar, Tananarive. 34, p. 71]
  		•  Microcline
    var: Amazonite
    Reference: [Besairie H. (1966): Les Gites Minéraux de Madagascar. Annales Géologiques de Madagascar, Tananarive. 34, p. 71]
  		•  'Monazite'
    Reference: [Besairie H. (1966): Les Gites Minéraux de Madagascar. Annales Géologiques de Madagascar, Tananarive. 34, p. 71]
  		•  Opal
    SiO
     
    2
    		·nH
     
    2
    		O
    Reference: [Behier, J. (1963): Carte mineralogique de Madagascar. Archive Service Géologique Madagascar. A 1871]
  		•  Phlogopite
    KMg
     
    3
    		[(OH,F)
     
    2
    		|AlSi
     
    3
    		O
     
    10
    		]
    Description: Inclusions in corundum.
    Reference: [Rakotondrazafy, A.F.M., Giuliani, G., Ohnenstetter, D., Fallick, A.E., Rakotosamizanany, S., Andriamamonjy, A., Ralantoarison, T., Razanatseheno, M., Offant, Y., Garnier, V., Maluski, H., Dunaigre, C., Schwarz, D., and Ratrimo, V. (2008): Ore Geology Reviews 34, 134-154.]
  		•  Phosphuranylite
    (H
     
    3
    		O)
     
    3
    		KCa(UO
     
    2
    		)
     
    7
    		[O|PO
     
    4
    		]
     
    4
    		 · 8H
     
    2
    		O
    Reference: [Behier, J. (1963): Carte mineralogique de Madagascar. Archive Service Géologique Madagascar. A 1871]
  		•  Pyrrhotite
    Fe
     
    7
    		S
     
    8
    		, (-4M), also given as Fe
     
    1-x
    		S (x = 0 - 0.2)
    Reference: [Behier, J. (1963): Carte mineralogique de Madagascar. Archive Service Géologique Madagascar. A 1871]
  		•  Quartz
    SiO
     
    2
    Habit: massive
    Colour: Blue
    Reference: [Behier, J. (1963): Carte mineralogique de Madagascar. Archive Service Geologique A. 1871]
  		•  Rutile
    TiO
     
    2
    Reference: [Besairie H. (1966): Les Gites Minéraux de Madagascar. Annales Géologiques de Madagascar, Tananarive. 34, p. 71]
  		•  Rutile
    var: Ilmenorutile
    Fe
     
    x
    		(Nb,Ta)
     
    2x
    		·4Ti
     
    1-x
    		O
     
    2
    Reference: [Besairie H. (1966): Les Gites Minéraux de Madagascar. Annales Géologiques de Madagascar, Tananarive. 34, p. 71]
  		•  Rutile
    var: Strüverite
    (Ti,Ta,Fe)O
     
    2
    Reference: [Moore, T. (2008): Whats New in Minerals. Dallas Show 2008. Mineralogical Record. 39, p 332]
    Site Photo
    Ialamitana, Sahanivotry Commune, Antsirabé 2 District, Vakinankaratra Region (Betafo - Antsirabé region), Antananarivo Province, Madagascar
    © J.Ralph
  		•  Sanidine
    K[AlSi
     
    3
    		O
     
    8
    		]
    Reference: [Behier, J. (1963): Carte mineralogique de Madagascar. Archive Service Géologique Madagascar. A 1871]
  		•  'Scapolite'
    Reference: [Giuliani, G., Fallick, A., Rakotondrazafy, M., Ohnenstetter, D., Andriamamonjy, A., Ralantoarison, T., Rakotosamizanany, S., Razanatseheno, M., Offant, Y., Garnier, V., Dunaigre, C., Schwarz, D., Mercier, A., Ratrimo, V., and Ralison, B. (2007): Mineralium Deposita 42, 251-270.]
  		•  Sillimanite
    Al
     
    2
    		[O|SiO
     
    4
    		]
    Reference: [Rakotondrazafy, A.F.M., Giuliani, G., Ohnenstetter, D., Fallick, A.E., Rakotosamizanany, S., Andriamamonjy, A., Ralantoarison, T., Razanatseheno, M., Offant, Y., Garnier, V., Maluski, H., Dunaigre, C., Schwarz, D., and Ratrimo, V. (2008): Ore Geology Reviews 34, 134-154.]
  		•  Spinel
    var: Chromspinel
    Mg(Al,Cr
    3+
     
    		)
     
    2
    		O
     
    4
    Description: Inclusions in corundum.
    Reference: [Rakotondrazafy, A.F.M., Giuliani, G., Ohnenstetter, D., Fallick, A.E., Rakotosamizanany, S., Andriamamonjy, A., Ralantoarison, T., Razanatseheno, M., Offant, Y., Garnier, V., Maluski, H., Dunaigre, C., Schwarz, D., and Ratrimo, V. (2008): Ore Geology Reviews 34, 134-154.]
  		•  Sulphur
    S
     
    8
    Reference: [Lacroix, A. (1922): Mineralogie de Madagascar, Tome I. Géologie-Minéralogie descriptive. A.Challamel (Éditeur), Paris. p.155]
  		•  Talc
    Mg
     
    3
    		Si
     
    4
    		O
     
    10
    		(OH)
     
    2
    Reference: [- Behier, J. (1963): Carte mineralogique de Madagascar. Archive Service Géologique Madagascar. A 1871]
  		•  Thorite
    (Th,U)[SiO
     
    4
    		]
    Reference: [Besairie H. (1966): Les Gites Minéraux de Madagascar. Annales Géologiques de Madagascar, Tananarive. 34, p. 71]
  		•  Thorite
    var: Orangite
    Reference: [Besairie H. (1966): Les Gites Minéraux de Madagascar. Annales Géologiques de Madagascar, Tananarive. 34, p. 71]
  		•  Titanite
    CaTi[O|SiO
     
    4
    		]
    Reference: [Besairie H. (1966): Les Gites Minéraux de Madagascar. Annales Géologiques de Madagascar, Tananarive. 34, p. 71]
  		•  'Tourmaline'
    AD
     
    3
    		G
     
    6
    		(BO
     
    3
    		)
     
    3
    		[T
     
    6
    		O
     
    18
    		]Y
     
    3
    		Z
    Reference: [Besairie H. (1966): Les Gites Minéraux de Madagascar. Annales Géologiques de Madagascar, Tananarive. 34, p. 71]
  		•  Tremolite
    ☐[Ca
     
    2
    		][Mg
     
    5
    		][(OH)
     
    2
    		|Si
     
    8
    		O
     
    22
    		]
    Reference: [- Behier, J. (1963): Carte mineralogique de Madagascar. Archive Service Géologique Madagascar. A 1871]
  		•  Uranocircite
    Ba(UO
     
    2
    		)
     
    2
    		[PO
     
    4
    		]
     
    2
    		 · 10H
     
    2
    		O
    Reference: [Behier, J. (1960): Contribution á la Minéralogie de Madagascar. Annales Géologiques de Madagascar XXIX, Tananarive. p 69-70]
    Site Photo
    Vinaninkarena Uranium deposit, Vinaninkarena Commune, Antsirabé 2 District, Vakinankaratra Region (Betafo - Antsirabé region), Antananarivo Province, Madagascar
    © Arliguie M
  		•  Vermiculite
    (Mg,Fe,Al)
     
    3
    		(Al,Si)
     
    4
    		O
     
    10
    		(OH)
     
    2
    		·4H
     
    2
    		O
    Reference: [Besairie H. (1966): Les Gites Minéraux de Madagascar. Annales Géologiques de Madagascar, Tananarive. 34, p. 71]
  		•  Vesuvianite
    Ca
     
    10
    		(Mg,Fe)
     
    2
    		Al
     
    4
    		Si
     
    9
    		O
     
    34
    		(OH)
     
    4
    Colour: brownish-red
    Description: Crystals to 50 mm long (Behier 1960, Arligue M. specimen larger)
    Reference: [Behier, J. (1960): Contribution á la Minéralogie de Madagascar. Annales Géologiques de Madagascar XXIX, Tananarive, p 43-44]
    Site Photo
    Ranomainty, Manandona Commune, Antsirabé 2 District, Vakinankaratra Region (Betafo - Antsirabé region), Antananarivo Province, Madagascar
    © Arliguie M
  		•  Zircon
    Zr[SiO
     
    4
    		]
    Reference: [Besairie H. (1966): Les Gites Minéraux de Madagascar. Annales Géologiques de Madagascar, Tananarive. 34, p. 71]


    55 entries listed. 36 valid minerals.

    Localities in this Region:
    Madagascar
     
    • Antananarivo Province
      • Vakinankaratra Region (Betafo - Antsirabé region)
        • Antsirabé 2 District
          • Ambano Commune

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