AM_Brownmillerite_18
Formula: Ca2 (Fe Al) O5
Name: Brownmillerite
Unit cell: 5.584 14.6 5.374 90.0 90.0 90.0 , V=438.12
Space group: IBM2 (46)

Colville A A , Geller S , Acta Crystallographica, Section B , 27 (1971) p.2311-2315, The crystal structure of brownmillerite, Ca2FeAlO5, Locality: synthetic, Note: no bond lengths could be reproduced