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Unnamed pegmatite 150 NW of Antandrokomby, Manandona Valley, Sahatany Pegmatite Field (Mt Bity (Ibity) area), Vakinankaratra Region (Betafo - Antsirabé region), Antananarivo Province, Madagascar

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Mineral List:
  		•  Hambergite
    Be
     
    2
    		[O|OH|BO
     
    2
    		]
    Reference: [K.E.Larsen collection]
  		•  Pollucite ?
    (Cs,Na)
     
    2
    		[Al
     
    2
    		Si
     
    4
    		O
     
    12
    		] · 2H
     
    2
    		O
    Description: Described in Lefevre & Thomas 1998, but without any analysis. A photo of a "greyish clear (gris tres clair) pollucite" is presented on p.23, but this identity is doubtful. Similar specimens collcted at the dumps is quartz.
    Reference: [Lefevre, M. & Thomas, L. (1998): Les pegmatites de la vallée de la Sahatany, Madagascar. Le Règne Minéral no 19, 15-28 ]
  		•  Quartz
    SiO
     
    2
    Reference: [K.E.Larsen collection]
  		•  Rhodizite
    (K,Cs)Al
     
    4
    		Be
     
    4
    		(B,Be)
     
    12
    		O
     
    28
    Reference: [pers. com. A.U.Falster & F.Pezzotta 1999]
  		•  'Tourmaline'
    Reference: [pers. com. A.U.Falster & F.Pezzotta 1999]


    5 entries listed. 4 valid minerals.

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