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Brazil | |
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| 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).
Waber (1991) |
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| 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
Andrezza Azzi, Daniel Atencio, Marcelo Andrade, Reynaldo Contreira (2018) Crystal-chemistry of Y-poor hainite-(Y) from Poços de Caldas alkaline complex, Minas Gerais, Brazil. in abstracts of the 22nd IMA Meeting Melbourne p 226
Ulbrich, M. N. (1993). Mineralogy of nepheline syenites from the Poços de Baldas Alkaline massif, se Brazil: chemistry, x-ray data and microtextures of feldspars. Brazilian Journal of Geology, 23(4), 388-399. |
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| 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 |
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| Baretto & Fujimori (1986) & others |
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| Horstpeter H. G. J. Ulbrich (1984) A Petrografia, a Estrutura e o Quimismo de Nefelina Sienitos do Maciço Alcalino de Poços de Caldas MG-SP |
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| Horváth, Menezes, Toft ollections - confirmed by XRD & microprobe |
Prefeitura quarry, Poços de Caldas, Minas Gerais, Brazil