(Betanimena, Departementa Tsaratanána, Faritra Betsiboka, Faritany Mahajanga, Madagasikara)
A granite pegmatite worked for Beryl situated about 50 km N of the town Tsaratanana.
References:
Besaire, H. (1966): Gites mineraux de Madagascar. Annales Geologique de Madagascar, Tananarive, Fascicule XXXIV