| Amores, S., Brito Barreto, S. D., Espallargas, R., Fontan, F., & Melgarejo i Draper, J. C. (2014). Phosphate sequence study of Boqueirâo pegmatite (Rio Grande Do Norte State, Brazil). Estudos Geológicos vol. 24(2):3-14 Amores Casals, Sandra, Brito Barreto, Sandra de, Espallargas, Ruben, Fontan, François, Melgarejo Draper, Joan Carles (2014) Phosphate sequence study of Boqueirâo pegmatite (Rio Grande Do Norte State, Brazil) Estudos Geológicos, 24 (2) Amores Casals, Sandra, Brito Barreto, Sandra de, Espallargas, Ruben, Fontan, François, Melgarejo Draper, Joan Carles (2014) Phosphate sequence study of Boqueirâo pegmatite (Rio Grande Do Norte State, Brazil) Estudos Geológicos, 24 (2) King, Vandall T. (2000) Mineralogy of Maine Vol. 2 - Mining History, Gems, and Geology. Maine Geological Survey. Robinson, George W., Wegner, Reinhard R. (1998) Mineralogy of the Boqueirãozinho Pegmatite, Parelhas, Rio Grande do Norte, Brazil. The Mineralogical Record, 29 (3) 193-197 |