Annite-(Cs) Drabek M, Rieder M, Viti C, Weiss Z, Fryda J The Canadian Mineralogist 36 (1998) 755-761 Hydrothermal synthesis of a Cs ferruginous trioctahedral mica Sample: Cs-156 _database_code_amcsd 0005541 5.4065 9.3829 10.7993 90 99.637 90 C2/m atom x y z occ Biso Cs 0 .5 0 1.51 Fe1 0 0 .5 1.51 Fe2 0 .3352 .5 1.51 Si .0823 .1694 .2405 .75 1.51 Al .0823 .1694 .2405 .25 1.51 O1 .0687 0 .1831 1.51 O2 .3286 .2416 .1738 1.51 O3 .1361 .1662 .3921 1.51 O4 .1204 .5 .3743 1.51