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Brazil | |
| Neves, P.C.P. das, Atencio, D. (2015) Enciclopédia dos Minerais do Brasil. Volume 3: Óxides e Hidróxidos. Campus ULBRA Canoas, 527 pages (in Portuguese). |
| Guarino, Vincenza, Lustrino, Michele, Zanetti, Alberto, Tassinari, Colombo C.G., Ruberti, Excelso, de' Gennaro, Roberto, Melluso, Leone (2021) Mineralogy and geochemistry of a giant agpaitic magma reservoir: The Late Cretaceous Poços de Caldas potassic alkaline complex (SE Brazil) Lithos, 398-399. 106330 doi:10.1016/j.lithos.2021.106330 |
| Atencio, Daniel, Coutinho, José M.V., Vlach, Silvio R.F. (2005) Tuperssuatsiaite from the Bortolan quarry, Poços de Caldas, Minas Gerais, Brazil. The Mineralogical Record, 36 (3) 275-280 |
| Waber (1991) |
| Horváth colection |