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Ambatofotsikely pegmatite, Fidirana Commune, Betafo District, Vakinankaratra Region, Antananarivo Province, Madagascar
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Monazite
Ambatofotsikely pegmatite, Fidirana Commune, Betafo District, Vakinankaratra Region, Antananarivo Province, Madagascar
Latitude: 19°26'6"S
Longitude: 46°27'4"E
 
Name(s) in local language(s): Ambatofotsikely, Kaominina Fidirana, Distrikan' i Betafo, Faritra Vakinankaratra, Faritanin' Antananarivo, Madagasikara
 
A granite LCT pegmatite, Beryll-Columbite subtype. It is situated about 1 km north of the village of ambatofotsikely (Ambatofotsy Carole), 22 km north-northwest of Ankazomiriotra and 74 km northwestof Antsirabe


Mineral List

'Allanite'
Allanite-(Ce)
'Almandine-Spessartine Series'
Anatase
Beryl
var: Aquamarine
'Biotite'
'Columbite'
Columbite-(Fe)
'Columbite-Tantalite'
Euxenite-(Y)
'Fergusonite'
Gahnite
Hematite
'Monazite'
Muscovite
Quartz
var: Amethyst
Rutile
var: Ilmenorutile

Samarskite-(Y)
Spessartine
Vermiculite
Xenotime-(Y)
Zircon
var: Malacon



24 entries listed. 13 valid minerals.

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References

Lacroix, A. (1922): Minéralogie de Madagascar. Tome 2. Minéralogie appliquée, lithologie. Augustin Challamel (Éditeur), Paris. p. 278-279.

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, p. 390

Tarantino, S. C, Zema M. (2005): Mixing and ordering behavior in manganocolumbite-ferrocolumbite solid solution: A single-crystal X-ray diffraction study. American Mineralogist 90: 1291-1300. [sample of Columbite-(Fe) from Ambatofotsikely used in this study]

Danet, F.,Schoor, M.,Boulliard, J-C., Neuville, D.R., Beyssac, O. and Bourgoin, V. (2012): Inclusions in Aquamarine from Ambatofotsikely, Madagascar. Gems & Gemology. Falls 2012. Volume 48, No. 3

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Copyright © Jolyon Ralph and Ida Chau 1993-2014. Site Map. Locality, mineral & photograph data are the copyright of the individuals who submitted them. 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 thousands 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.
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