AM_Brownmillerite_13
Formula: Ca2 (Fe1.091 Al.909) O5
Name: Brownmillerite
Unit cell: 5.3469 14.5149 5.564 90.0 90.0 90.0 , V=431.82
Space group: I2MB (46)

Redhammer G J , Tippelt G , Roth G , Amthauer G , American Mineralogist , 89 (2004) p.405-420, Structural variations in the brownmillerite series Ca2(Fe2-xAlx)O5:, Single-crystal X-ray diffraction at 25 deg C and high temperature, X-ray powder diffraction (25 C <= T <= 1000 C)