Sillenite Radaev S F, Muradyan L A, Simonov V I Acta Crystallographica B47 (1991) 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 _database_code_amcsd 0009844 10.184 10.184 10.184 90 90 90 I23 atom x y z occ Biso B(1,1) B(2,2) B(3,3) B(1,2) B(1,3) B(2,3) Bi .17631 .31786 .01395 1.13 .00176 .00401 .00243 .00071 -.00008 .00062 FeM 0 0 0 .5 .64 BiM -.018 -.018 -.018 .125 1.25 O1 .13495 .25148 .48589 1.11 .00218 .00315 .00266 -.00060 -.00059 .00057 O2 .18995 .18995 .18995 1.07 .00259 .00259 .00259 .00098 .00098 .00098 O3 .89288 .89288 .89288 .87 1.39 .00259 .00259 .00259 .00098 .00098 .00098