(Ambatofotsikely, Kaominina Fidirana, Departementa Betafo, Faritra Vakinankaratra, Faritany Antananarivo, Madagasikara)
A granite LCT pegmatite, Beryll-Columbite subtype. It is situated ca 55 km NE of the town Betafo.
Ref:
- Lacroix, A. (1922): Minéralogie de Madagscar. Tome II, p. 278-279.
- Behier, J. (1963): Carte mineralogique de Madagascar. Archive Service Géologique Madagascar. A 1871