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Crystal chemistry of Ti-rich fluorophlogopite from Presidente Olegario, Alto Paranaiba igneous province, Brazil

2011; Mineralogical Society of America; Volume: 96; Issue: 5-6 Linguagem: Inglês

10.2138/am.2011.3666

1945-3027

Emanuela Schingaro, Maria Lacalamita, F. Scordari, Maria Franca Brigatti, Giuseppe Pedrazzi,

Mineralogy and Gemology Studies

Trioctahedral micas from kamafugitic lavas of Presidente Olegario (Brazil) are Ti-Fe-bearing fluorophlogopites. They were investigated using a combination of electron probe microanalysis (EPMA), single-crystal X-ray diffraction (SCXRD), and Mössbauer spectroscopy.