Santos, J. J. A., M. L. S. Rosa, and H. Conceição. “First Occurrence of Ancylite in Bahia State: Accessory Mineral in the Foid Syenites of the Floresta Azul Alkaline Complex”. Scientia Plena, vol. 10, no. 10, Oct. 2014, https://www.scientiaplena.org.br/sp/article/view/2103.