(Ambatofotsy, Kaominina Mahavelona, Distrikan' i Soavinandriana, Faritra Itasy, Faritanin'i Antananarivo, Madagasikara)
A granite LCT pegmatite, subtype Beryll-Columbite-Uranium that is famous for producing very large Betafites. One of the largest crystal group weighted 104 kg!
It is located 22 km WSW of the town Soavinandriana in the central highland of Madagascar.
References:
- Lacroix, A. (1922): Mineralogie de Madagascar, Tome I. Géologie-Minéralogie descriptive. A. Challamel (Éditeur), Paris. pp. 379-381.
- Behier, J. (1963): Carte mineralogique de Madagascar. Archive Service Géologique Madagascar. A 1871
- Besairie H. (1966): Les Gites Minéraux de Madagascar. Annales Géologiques de Madagascar, Tananarive, 34, 92p
Mineral List:21 entries listed. 14 valid minerals.
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