A complex type LCT pegmatite worked for gem polychromatic tourmalines, topaz and beryl. It is situated a the southern side of Mt.Tsinjoarivo, in the central part of the Sahatany Pegmatite Field. It was described by A. Lacroix (1922) under the name "Tompohobohitra" or "Tompobohitra" by Guigues (1954).
References:
Rakotoarison, W (1964): Les pegmatites de la Sahatany. Serv.Geol.Mad. Archiv. 1983
Ranorosoa,N (1986): Etude mineralogiques des pegmatites du champ de la Sahatany, Madagascar. These de doctorat, l'universite P.Sabatier, Toulouse