(Tsaramanga (Tongafeni; Itongafeno), Kaominina Mahaiza, Departementa Betafo, Faritra Vakinankaratra, Faritany Antananarivo, Madagasikara)
The Tsaramanga or the “Itongafeno” pegmatite is hosted in coarse grained gabbro stock ("Gabbro de l’Itsindro”, intrusive complex of Ambatofinandrahana.
Known for blue beryl (Santamaria).