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Ankarinarivo pegmatite, Sahatany Valley, Sahatany Pegmatite Field (Mt Ibity area), Vakinankaratra Region, Antananarivo Province, Madagascar

Elbaite-Liddicoatite Series
Ankarinarivo pegmatite, Sahatany Valley, Sahatany Pegmatite Field, Vakinankaratra Region, Antananarivo Province, Madagascar

Photo: Dr. Perry Silver
Latitude: 20°3'34"S
Longitude: 46°58'22"E
A complex type LCT pegmatite worked for gem polychromatic tourmalines, topaz and beryl. It is situated a the southern side of Mt.Tsinjoarivo, in the central part of the Sahatany Pegmatite Field. It was described by A. Lacroix (1922) under the name "Tompohobohitra" or "Tompobohitra" by Guigues (1954).

References

-Rakotoarison, W. (1964): Les pegmatites de la Sahatany. Archive du Service Géologique Madagascar. A. 1983, 39p.

-Ranorosoa, N. (1986): Etude mineralogique des pegmatites du champ de la Sahatany, Madagascar. These de Doctorat de l`Universite Paul Sabatier, Toulouse


Mineral List

Ashanite
Beryl
Biotite
Columbite
Dravite
Elbaite
Goethite
Hematite
Lepidolite
Magnetite
Microcline
var: Amazonite

Microlite Group
Monazite-(Ce)
Muscovite
'Psilomelane'
Quartz
var: Chalcedony
Rutile
Schorl
Spessartine
Topaz
'Tourmaline'
Xenotime-(Y)
Zinnwaldite
Zircon


25 entries listed. 17 valid minerals.

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Copyright © Jolyon Ralph and Ida Chau 1993-2011. Site Map. Locality, mineral & photograph data are the copyright of the individuals who submitted them.Further information contact the Site hosted & developed by Jolyon Ralph. Mindat.org is an online information resource dedicated to providing free mineralogical information to all. Mindat relies on the contributions of hundreds of members and supporters. Mindat does not offer minerals for sale. If you would like to add information to improve the quality of our database, then click here to register. Current server date and time: 6th Jul 2011 10:16:29
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