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Brazil | |
| Menezes, Luiz Alberto Dias (n.d.) Personal communication. |
| Waber et al. (1992) Jour. Geochemical Explor. 45, 53-112 WABER, N., SCHORSCHER, H.D., & PETERS, T. (1992) Hydrothermal and supergene uranium mineralization at the Osamu Utsumi mine, Poços de Caldas, Minas Gerais, Brazil. Journal of Geochemical Exploration, 45, 53-112. |
| Sergio Varvello collection |
| Atencio, D., Coutinho, J. M.V., Mascarenhas, Y. P., Ellena, J. A. (2006) Matioliite, the Mg-analog of burangaite, from Gentil mine, Mendes Pimentel, Minas Gerais, Brazil, and other occurrences. American Mineralogist, 91 (11) 1932-1936 doi:10.2138/am.2006.2233 Pers. Comm. from Paulo Anselmo Matioli |
| Waber (1991) |
| Berger, Vladimir I., Singer, Donald A., Orris, Greta J. (2009) Carbonatites of the World, Explored Deposits of Nb and REE—Database and Grade and Tonnage Models . Open-File Report 2009-1139. U.S. Geological Survey doi:10.3133/ofr20091139 |
Gentil claim, Mendes Pimentel, Minas Gerais, Brazil