Annite Redhammer G J, Beran A, Schneider J, Amthauer G, Lottermoser W American Mineralogist 85 (2000) 449-465 Spectroscopic and structural properties of synthetic micas on the annite-siderophyllite binary: Synthesis, crystal structure refinement, Mossbauer, and infrared spectroscopy Sample: sd75no.10 _database_code_amcsd 0002397 5.3607 9.2874 10.2664 90 100.30 90 C2/m atom x y z occ Biso SiT .5740 .1665 .2266 .58 .68 AlT .5740 .1665 .2266 .42 .68 Al1 0 .5 .5 .864 .8 Fe1 0 .5 .5 .136 .8 Al2 0 .8319 .5 .306 .95 Fe2 0 .8319 .5 .744 .95 K 0 0 0 .928 1.9 O1 .8333 .2205 .1768 2.1 O2 .5069 0 .1740 1.8 O3 .6384 .1697 .3945 1.9 O4 .1309 0 .3928 1.4