(Marijao, Departementa Ankazobe, Faritra Ivon'iMerina, Faritany Antananarivo, Madagasikara)
A LCT pegmatite prospected by the Commisariat á l'Énergie in the 1950s, situated about 55 km NNE of the town Ankazobe N of the capitol, Antananarivo.
Ref.:
- Behier, J. (1963): Carte mineralogique de Madagascar. Archive Service Géologique Madagascar. A 1871