(Tomboarivo, Kaominina Sahanivotry, Departementa Antsirabe 2, Faritra Vakinankaratra, Faritany Antananarivo, Madagasikara)
A pegmatite worked for betafite situated about 2-3 km west of the small town Sahanivotry in the Manandona valley about 30 km south of the city Antsirabe in the central highland of Madagascar.
Ref.:
- Besaire,H. (1966): Gites mineraux de Madagascar. Ann.Geol.Mad. XXXIV, p.71 + 390