(Antsakoa I pegmatita, Berere, Departementa Tsaratanána, Faritra Betsiboka, Faritany Mahajanga, Madagasikara)
A granite pegmatite that has been worked for Beryl. It is now exhausted. This was the main locality in the Berere Pegmatite Field and is situated 600 m NW of the village Berere, 40km NE of Tsaratanana.
References:
- Besaire, H. (1966): Gites mineraux de Madagascar. Annales Geologique de Madagascar, Tananarive, Fascicule XXXIV, 59 + 134-135
- Giraud, P; Bertucat, M & Giraudon (1957): Etude geologique et prospection de la feuille Betandraka [P-42]1/100.00 et du champ pegmatique de Berere. Travaux Bureau Geologique nr 82, Service Geologique, Tananarive
| Group 4 - Oxides and Hydroxides | | Betafite | 4.DH.15 | | | | Euxenite-(Y) | 4.DG.05 | | (Y,Ca,Ce,U,Th)(Nb,Ta,Ti) | | O | | |
| | | Ilmenite | 4.CB.05 | | | | Liandratite (TL) | 4.DH.35 | | | | Petscheckite (TL) | 4.DH.35 | | | | Quartz | 4.DA.05 | | | Rutile
var: Strüverite | 4.DB.05 | | | | Samarskite-(Y) | 4.DB.25 | | (Y,Fe | | ,Fe | | ,U,Th,Ca) | | (Nb,Ta) | | O | | |
| | | Group 9 - Silicates | | Albite | 9.FA.35 | | | | Beryl | 9.CJ.05 | | | | Muscovite | 9.EC.15 | | | | Spessartine | 9.AD.25 | | | | Zircon | 9.AD.30 | | | | Unclassified Minerals | | Columbite | - | | | | 'Fergusonite' | - | | | | 'Monazite' | - | | | | 'Perthite' | - | | | | 'Tourmaline' | - | | |
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18 entries listed. 13 valid minerals.
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