(Marijao, Distrikan' i Ankazobe, Pegmatitan' i Ankazobe, Faritra Analamanga, Faritra Analamanga, Faritanin'i 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.
Large beryl crystals of beryl up to 100 kg were found here in 1971.
References:
- Behier, J. (1963): Carte mineralogique de Madagascar. Archive Service Géologique Madagascar. A 1871
- Petsch, E. J. and Schmetzer, K. (2002): Das Aquamarinvorkommen von Marijao in Madagaskar: einer der grössten jemals bekannt gewordenen Aquamarinfunde. in "Aquamarin & Co". ExtraLapis No. 23: 56-61 [German version]
Mineral List: |
'Allanite'  | | | | Reference: | [Behier, J. (1963): Carte mineralogique de Madagascar. Archive Service Géologique Madagascar. A 1871] |
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Beryl | | | | |
Beryl
var: Aquamarine | | | | Reference: | [ExtraLapis No. 23: 56-61 [German version] |
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'Columbite-Tantalite' | | | | Reference: | [Behier, J. (1963): Carte mineralogique de Madagascar. Archive Service Géologique Madagascar. A 1871] |
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Euxenite-(Y) | | (Y,Ca,Ce,U,Th)(Nb,Ta,Ti) | | O | | |
| | | Reference: | [Behier, J. (1963): Carte mineralogique de Madagascar. Archive Service Géologique Madagascar. A 1871] |
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'Fergusonite' | | | | Reference: | [Behier, J. (1963): Carte mineralogique de Madagascar. Archive Service Géologique Madagascar. A 1871] |
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Microcline
var: Amazonite | | | | Reference: | [Behier, J. (1963): Carte mineralogique de Madagascar. Archive Service Géologique Madagascar. A 1871] |
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Samarskite-(Y) | | (Y,Fe | | ,Fe | | ,U,Th,Ca) | | (Nb,Ta) | | O | | |
| | | Reference: | [Behier, J. (1960): Contribution á la mineralogie de Madagascar. Annales Géologiques de Madagascar XXIX, Tananarive, p 14] |
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8 entries listed. 3 valid minerals.
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