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Andakatany, Manandriana Commune, Ambositra District, Amoron'i Mania Region, Fianarantsoa Province, Madagascar

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(Andakatany, Kaominina Manandriana Departementa Ambositra, Faritra Amoron'i Mania, Faritany Fianarantsoa, Madagasikara)

This area is famous for its large bastnäsite-(Ce) crystals that is found in a biotite rich granite NYF pegmatite, bastnäsite subtype. Discovered by the CEA (Commisariat á l'Energie Atomique), Madagascar in the early 1950s.
3 different pegmatite veins with bastnäsite was then discovered. A large group with bastnäsite crystals weighing 55 kg was found in one of these.



References:
- Behier, J. (1960): Contribution á la mineralogie de Madagascar. Annales Géologiques de Madagascar XXIX, Tananarive, p 18
- Behier, J. (1963): Carte mineralogique de Madagascar. Archive Service Geologique A. 1871
- Pezzotta, F.(1999): Madagaskar. Das Paradies der Mineralien und Edelsteine. ExtraLapis nr 17,61 (german version) (short notice)




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


Mineral List:
  		•  'Bastnäsite'
    Reference: [A Gangloff label (Commisariat á l'Energie Atomique prospector). (cf Arligue M.)]
    Site Photo
    Ambohimiary, Andakatany, Manandriana Commune, Ambositra District, Amoron'i Mania Region, Fianarantsoa Province, Madagascar
    © Arliguie M
  		•  Bastnäsite-(Ce)
    (Ce,La)[F|CO
     
    3
    		]
    Description: A specimen fra Behiers collection marked "Bastnaesite" was shown to be Bastnäsite-(Ce)
    Reference: [Rocks & Minerals , nr 2, 2003]
    Site Photo
    Andakatany, Manandriana Commune, Ambositra District, Amoron'i Mania Region, Fianarantsoa Province, Madagascar
    © A. Godelitsas
  		•  Biotite
    Reference: [Behier, J. (1960): Contribution á la mineralogie de Madagascar. Annales Géologiques de Madagascar XXIX, Tananarive, p 18 ]
  		•  Cerianite-(Ce)
    (Ce
    4+
     
    		,Th)O
     
    2
    Colour: mustard-brown to yellowish
    Description: alteration film on bastnäsite-(Ce)
    Reference: [Pavel M. Kartashov data]
  		•  'Chalcedony'
    Reference: [Behier, J. (1960): Contribution á la mineralogie de Madagascar. Annales Géologiques de Madagascar XXIX, Tananarive, p 18]
  		•  Covellite
    CuS
    Reference: [J.Behier: Carte mineralogique de Madagascar. A.1871. Service Geologique, Tananarive 1963. ]
  		•  Galena
    PbS
    Reference: [Behier, J. (1963): Carte mineralogique de Madagascar. Archive Service Géologique Madagascar. A 1871]
  		•  Hematite
    var: Martite
    Reference: [Behier, J. (1960): Contribution á la mineralogie de Madagascar. Annales Géologiques de Madagascar XXIX, Tananarive, p 18]
    Site Photo
    Andakatany, Manandriana Commune, Ambositra District, Amoron'i Mania Region, Fianarantsoa Province, Madagascar
    © Arliguie M
  		•  'Lanthanite' ?
    Reference: [Behier, J. (1960): Contribution á la mineralogie de Madagascar. Annales Géologiques de Madagascar XXIX, Tananarive, p 18]
  		•  Magnetite
    Fe
    2+
     
    		Fe
    3+
    2
    		O
     
    4
    Reference: [Behier, J. (1960): Contribution á la mineralogie de Madagascar. Annales Géologiques de Madagascar XXIX, Tananarive, p 18]
    Site Photo
    Andakatany, Manandriana Commune, Ambositra District, Amoron'i Mania Region, Fianarantsoa Province, Madagascar
    © Arliguie M
  		•  Massicot
    PbO
    Reference: [Behier, J. (1963): Carte mineralogique de Madagascar. Archive Service Geologique A. 1871 ]
  		•  Monazite-(Ce)
    (Ce,La,Nd,Th)PO
     
    4
    Reference: [Pavel M. Kartashov data]
  		•  Monazite-(La)
    (La,Ce,Nd)PO
     
    4
    Habit: pulverulent
    Colour: snow-white
    Description: as alteration film on bastnäsite-(Ce) with cerianite-(Ce)
    Reference: [Pavel M. Kartashov data]
  		•  'Psilomelane'
    Reference: [Behier, J. (1960): Contribution á la mineralogie de Madagascar. Annales Géologiques de Madagascar XXIX, Tananarive, p 18 ]
  		•  Riebeckite
    var: Crocidolite
    Reference: [H Bessairie: minerologie de Madagascar]
  		•  Tetrahedrite
    (Cu,Fe,Ag,Zn)
     
    12
    		Sb
     
    4
    		S
     
    13
    Reference: [Behier, J. (1963): Carte mineralogique de Madagascar. Archive Service Geologique A. 1871]


    16 entries listed. 9 valid minerals.

    Localities in this Region:
    Madagascar
     
    • Fianarantsoa Province
      • Amoron'i Mania Region
        • Ambositra District
          • Manandriana Commune
            • Andakatany

    The above list 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!
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