AM_Sillenite Formula: Bi12.5 Fe.5 O19.48 Name: Sillenite Unit cell: 10.184 10.184 10.184 90.0 90.0 90.0 , V=1056.22 Space group: I23 (197)

Radaev S F , Muradyan L A , Simonov V I , Acta Crystallographica, Section B , 47 (1991) p.1-6, Atomic structure and crystal chemistry of sillenites:, Bi12(Bi3+0.50Fe3+0.50)O19.50 and Bi12(Bi3+0.50Fe3+0.50)O19.33, Locality: synthetic, Note: anisoB s from ICSD