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Data do documentoTítuloAutor(es)
2016Regression model utilization to estimate the mass recovery of a phosphate mine in Brazil.Fernandes, Fernanda Gontijo; Cabral, Ivo Eyer
2013Assessment of the molecular structure of natrodufrénite – NaFe^2+Fe^3+(PO4)4(OH)6.2(H2O), a secondary pegmatite phosphate mineral from Minas Gerais, Brazil.López, Andrés; Frost, Ray L.; Xi, Yunfei; Cipriano, Ricardo Augusto Scholz; Belotti, Fernanda Maria; Ribeiro, Érika
2013Infrared and Raman spectroscopic characterization of the phosphate mineral fairfieldite Ca2(Mn2+,Fe2+)2(PO4)2 2(H2O).Frost, Ray L.; Xi, Yunfei; Cipriano, Ricardo Augusto Scholz; Belotti, Fernanda Maria; López, Andrés
2016A Raman and infrared spectroscopic study of the phosphate mineral laueite.Frost, Ray L.; Cipriano, Ricardo Augusto Scholz; López, Andrés
2012Raman and infrared spectroscopic characterization of beryllonite, a sodium and beryllium phosphate mineral - implications for mineral collectors.Frost, Ray L.; Xi, Yunfei; Cipriano, Ricardo Augusto Scholz; Belotti, Fernanda Maria; Menezes Filho, Luiz Alberto Dias
2015SEM, EDX and vibrational spectroscopic study of the phosphate mineral ushkovite MgFe2 3+(PO4)2(OH)2 8H2O – implications of the molecular structure.López, Andrés; Cipriano, Ricardo Augusto Scholz; Frost, Ray L.; Belotti, Fernanda Maria
2013Raman spectroscopic study of the mineral qingheiite Na2(Mn2+,Mg,Fe2+)2(Al,Fe3+)(PO4)3, a pegmatite phosphate mineral from Santa Ana pegmatite, Argentina.Frost, Ray L.; Xi, Yunfei; Cipriano, Ricardo Augusto Scholz; López, Andrés; Moreira, Caio; Lena, Jorge Carvalho de
2015Raman and infrared spectroscopic study of turquoise minerals.Čejka, Jiři; Sejkora, Jiři; Macek, Ivo; Malíková, Radana; Wang, Lina; Cipriano, Ricardo Augusto Scholz; Xi, Yunfei; Frost, Ray L.
2014A study of the phosphate mineral kapundaite NaCa(Fe3+)4(PO4)4(OH)3 5(H2O) using SEM/EDX and vibrational spectroscopic methods.Frost, Ray L.; López, Andrés; Xi, Yunfei; Cipriano, Ricardo Augusto Scholz
2013The molecular structure of matioliite NaMgAl5(PO4)4(OH)6 2(H2O) - a pegmatite mineral from Minas Gerais, Brazil.Cipriano, Ricardo Augusto Scholz; Xi, Yunfei; Frost, Ray L.