Citation: Colville, A A; Geller, S (1971). The Crystal Structure of Brownmillerite, Ca2 Fe Al O5. Acta Crystallographica B (24,1968-38,1982), 27, pp. 2311-2315.
Formula: Al Ca2 Fe O5
Chemical name: Calcium iron(III) aluminium oxide (2/1.5/0.5/5)
List type: noninterleaving
List: 3D
Basis: (1;0;0 0;1;0 0;0;1)
Dimensionality: 3
Formula: Al8 Fe8 O20 (Al2 Fe2 O5)
Multiplicity: 1