| [var. Cleavelandite] Scares, D. R., Ferreira, A. C. M., da Silva, R. R., & Ferreira, V. P. (2008). Alkali-Deficient elbaite from pegmatites of the serido region, Borborema Province, Ne Brazil. Brazilian Journal of Geology, 30(2). Ferreira, A., Ferreira, V. P., Soares, D. R., & Vilarroel-Leo, H. S. (2005). Chemical and mineralogical characterization of elbaites from the Alto Quixaba pegmatite, Seridó province, NE Brazil. Anais da Academia Brasileira de Ciências, 77(4), 729-743. |