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: sd62no.10
_database_code_amcsd 0002396
5.3635 9.2929 10.2837 90 100.28 90 C2/m
atom     x     y     z  occ Biso
SiT  .5748 .1674 .2269 .608  .99
AlT  .5748 .1674 .2269 .392  .99
Al1      0    .5    .5 .122   .9
Fe1      0    .5    .5 .878   .9
Al2      0 .8327    .5 .231  1.1
Fe2      0 .8327    .5 .775  1.1
K        0     0     0 .940  2.4
O1   .8290 .2237 .1770       2.0
O2   .5117     0 .1734       1.9
O3   .6391 .1689 .3950       2.0
O4   .1310     0 .3926       1.6