Pyrochlore Group, Pyrochlore Supergroup (Var: Betafite (of Hogarth 1977))
Sarodivotra, Anjanabonoina pegmatites, Ambohimanambola, Betafo District, Vakinankaratra, Madagascar
Pyrochlore crystal of 37.5x31.81 mm with rim characterized by U-rich betafite. This crystal its visible in the fig.2 of the study De Vito, C., Pezzotta, F., Ferrini, V., and Aurisicchio, C. (2006) Nb-Ti-Ta oxides in the gem-mineralized and "hybrid" Anjanabonoina granitic pegmatite, central Madagascar: A record of magmatic and postmagmatic ...
© Chinellato Matteo