TourmalineAlakamisy-Itenina gem deposit, Ivohibato Alakamisy-Itenina District, Matsiatra Region, Fianarantsoa Province, Madagascar
Photo: 2010 John H. Betts Famous for polychromatic gem tourmalines found in a rice field that is situated in an ancient riverbed. A horizon covered by a 20 m thick layer of younger material has been the source of rounded tourmaline pieces up to 20 cm in diameter. Many of these were cut into very nice many-coloured slabs.
The locality is also referred to as a "Ricefield in the Fianarantsoa district".
The name Lacamisinten is a mispelling and the name is used by gem dealers. When the locality name “Alakamsiy-Itenina” is spoken out loud in the local dialect of the malagasy language, it could sounds like “Lacamisinten” in the ears of non-malagasy people.
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References
- ExtraLapis 6, "Turmalin": p 73 + 75 [German version]
- Aurisicchio, C., Demartin, F., Ottolini, L., Pezzotta, F. (1999): Homogeneous liddicoatite from Madagascar. A possible reference material? First EMPA, SIMS, and SREF data. European Journal of Mineralogy 11, 237-242.
- Pezzotta, F. (1999): Madagaskar. Das Paradies der Mineralien und Edelsteine. ExtraLapis nr 17, 61 (german version) (short notice)
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