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An experimental study of the pressure-temperature stability of MgMgAl-pumpellyite in the system MgO-Al2O3-SiO2-H2O
An experimental study of the pressure-temperature stability of MgMgAl-pumpellyite in the system MgO-Al2O3-SiO2-H2O
2012/3/31
The stability field of MgMgAl-pumpellyite, Mg5Al5SiO21(OH)7, was determined in the system MgO-Al2O3-SiO2-H2O in reversal experiments at pressures between 34 and 100 kbar and temperatures in the range ...
Mn crystal chemistry in pumpellyite: A resonant scattering powder diffraction Rietveld study using synchrotron radiation
Mn crystal chemistry pumpellyite scattering powder diffraction synchrotron radiation
2012/4/5
The present study attempts to clarify the structural role of Mnin two pumpellyite specimens with the chemical formulas Ca7.so(Als.91Mn1.85Mg1.16Feo.37)Sill.s40s6-xOHx and Cas.12(AI7.99Mn3.41Mgo.71Feo....