Mikasaite Masse R, Guitel J C, Perret R Bulletin de la Societe Francaise de Mineralogie et de Cristallographie 96 (1973) 346-349 Structure crystalline de la variete rhomboedrique du sulfate ferrique Fe2(SO4)3 Locality: synthetic _database_code_amcsd 0021007 8.229 8.229 22.177 90 90 120 R-3 atom x y z Biso B(1,1) B(2,2) B(3,3) B(1,2) B(1,3) B(2,3) Fe1 0 0 .14928 .51 .00248 .00248 .000268 .00124 0 0 Fe2 0 0 .35584 .51 .00250 .00250 .000237 .00125 0 0 S .29042 .28819 .75069 .30 .00119 .00135 .00018 .00047 .00007 -.00012 O1 .2531 .4396 .76581 .85 .0043 .0034 .00062 .0029 -.00041 -.00079 O2 .2241 .1458 .79862 1.03 .0045 .0051 .00057 .0024 .00089 .00107 O3 .1945 .2046 .69391 1.00 .0046 .0050 .00040 .0014 -.00065 -.00089 O4 .4919 .3635 .74351 .71 .0017 .0041 .00042 .0010 .00028 -.00017