AM_Brownmillerite_1
Formula: Ca2 (Fe1.886 Al.114) O5
Name: Brownmillerite
Unit cell: 5.4217 14.7432 5.596 90.0 90.0 90.0 , V=447.31
Space group: PNMA (62)

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)