Chemical and mineralogical characterization of elbaites from the Alto Quixaba pegmatite, Seridó province, NE Brazil

by Ferreira,Ana C.M., Ferreira,Valderez P., Soares,Dwight R., Vilarroel-Leo,Hugo S.
Published 2005

Mineral chemistry of tantalate species new in the Borborema Pegmatitic Province, Northeast Brazil

by Beurlen,Hartmut, Soares,Dwight R., Thomas,Rainer, Prado-Borges,Lucila E., Castro,Cláudio de
Published 2005

Chemical composition of gahnite and degree of pegmatitic fractionation in the Borborema Pegmatitic Province, northeastern Brazil

by Soares,Dwight R., Beurlen,Hartmut, Ferreira,Ana C.M., da-Silva,Marcelo R.R.
Published 2007