Ambohimasina Commune, Betafo District, Vakinankaratra Region, Antananarivo Province, Madagascar

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Kaominina Ambohimasina, Distrikan' i Betafo, Faritra Vakinankaratra, Faritanin' Antananarivo, Madagasikara

A number of pegmatites prospected for beryl and U-minerals are found in the Ambohimasina Commune in the south and in the Faratsiho Commune in the North along the border of the Vavavato granite massif some 40 km NW of the town Antsirabe in the main higland of Madagascar.

These pegmatites as a group has been refered to by Besaire (1966) as "Le groupe d'Ambohimasina". Among these are the Ampangabe (the locality from which the now descredited "Ampangabeite" , synonym of Samarskite=(Y) was described from), Sahamandrevo, Lohavalala and Ambatovoahangy pegmatites.

Nice amethysts among others are also known from this commune.

Mineral List

Mineral list contains entries from the region specified including sub-localities

Beryl 'Columbite-Tantalite' Euxenite-(Y) 'Fergusonite'

Ilmenite 'Pyrochlore Supergroup var: Betafite (of Hogarth 1977)' Quartz var: Amethyst Samarskite-(Y)

Thorite var: Orangite Vermiculite Xenotime-(Y) Zircon

Zircon var: Malacon

18 entries listed. 7 valid minerals.

Localities in this Region

Madagascar Antananarivo Province Vakinankaratra Region Betafo District Ambohimasina Commune Inanatonana Lohavalala pegmatite Sahamandrevo pegmatite

References