Authors: ROBINSON George W WEGNER Reinhard R

Citation: W. Robinson George et R. Wegner Reinhard, Mineralogy of the Boqueiraozinho pegmatite, Parelhas. Rio Grande do Norte, Brazil, Mineralogical record , 29(3), 1998, pp. 193-197

Authors: ROBINSON George W. JASZCZAK John A WEGNER Reinhard R MILLS Owen P

Citation: W. Robinson George et al., Manganotantalite from the Alto do Giz area, Equador, Rio Grande do Norte, Brazil, Mineralogical record , 33(6), 2002, pp. 505-510