A granite pegmatite situated 4 km N of the village Ampandramaika, W of the city Fianarantsoa in the central highland of Madagascar.
One of the few amblygonite- bearing pegmatites that are found in Madagascar.
This locality is called Ankiperatra nr 15 in Besaire (1966)
Ref:
- Behier, J. (1960): Contribution á la mineralogie de Madagascar. Annales Géologiques de Madagascar XXIX, Tananarive, p 13-14
- Behier, J. (1963): Carte mineralogique de Madagascar. Archive Service Géologique Madagascar. A 1871
- H.Besaire (1966): Gites mineraux de Madagascar. Ann.Geol. de Mad. XXXIV, p 61-62