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Madagascar | |
| Dirlam, D.M., Laurs, B.M., Pezzotta, F., and Simmons, W.B. (2002): Liddicoatite tourmaline from Anjanabonoina, Madagascar. Gems and Gemology: 38: 28-52 |
| De Vito, C., Pezzotta, F., Ferrini, V., Aurisicchio, C. (2006) Nb-Ti-Ta oxides in the gem-mineralized and "hybrid" Anjanabonoina granitic pegmatite, central Madagascar: A record of magmatic and postmagmatic events. The Canadian Mineralogist, 44 (1) 87-103 doi:10.2113/gscanmin.44.1.87 |
| Demartin, Francesco, Diella, Valeria, Gramaccioli, Carlo M., Pezzotta, Federico (2001) Schiavinatoite, (Nb,Ta)BO4, the Nb analogue of behierite. European Journal of Mineralogy, 13 (1) 159-165 doi:10.1127/0935-1221/01/0013-0159 |
| Pers. com Dr. Federico Pezzotta to Knut Edvard Larsen mai 2007. |
Ambalabe pegmatite, Manapa pegmatite Field, Anosiarivo Manapa, Betafo District, Vakinankaratra, Madagascar