(Ampangabe, Departementa Faratsiho, Faritra Vakinankaratra, Faritany Antananarivo, Madagasikara)
A pegmatite situated in the Sahasarotra Valley 17 km southwest of the small town Faratsiho in the Vakinankaratra region in the highland of Madagscar. It is located at the northern border of the Vavavato granite massif.
Type locality of "ampangabéite", a now discredited species (= Samarskite-(Y)).
References: - Palache, C., Berman, H., & Frondel, C. (1951), The System of Mineralogy of James Dwight Dana and Edward Salisbury Dana, Yale University 1837-1892, Volume II: 1051.
- Behier, J. (1960): Contribution á la mineralogie de Madagascar. Annales Géologiques de Madagascar XXIX, Tananarive (in part).
- Behier, J. (1963): Carte mineralogique de Madagascar. Archive Service Gélogique Madagascar. A 1871.
- Lacroix, A. (1922): Minéralogie de Madagascar. Tome I. Paris. 624 pp.
