GrandidieriteVohibola phlogopite deposit, Behara Commune, Amboasary District, Anosy Region, Tuléar Province, Madagascar
Photo: Elmar Lackner Vohibola, Kaominina Behara, Distrikan'i Amboasary, Faritra Anosy, Faritanin'i Toliary, Madagasikara
A phlogopite deposit located about 11 km NW of Behara. Grandidierite was discovered here by Danet Rafalimanana and Rakotomandimby around 1960. It occurred at the time relatively abundantly in the dumps.
The grandidierite was found in a diopside-bearing finegrained pyroxenite.
Mineral List
9 entries listed. 7 valid minerals.
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References
- Behier, J. (1960): Travaux mineralogiques. in Besaire,H. (ed): Rapport Annuel du Service Geologique pour 1960. Republique Malgache, 181-199 [p. 194]
- Behier, J. (1963): Carte mineralogique de Madagascar. Archive Service Géologique Madagascar. A 1871
- Seifert, F. and Olesch, M. (1977): Mössbauer spectroscopy of grandidierite, (Mg,Fe)Al3BSiO9. American Mineralogist. 62:547-553 [with analysis of grandidierite from Vohibola]
- Farges, F. (2001): Crystal chemistry of iron in natural grandidierites: an X-ray absorption fine-structure spectroscopy study. Journal Physics and Chemistry of Minerals. 28: 619-629 [with a Fe–K edge XAFS spectra analysis of grandidierite from Vohibola]
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