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: sd12no.10
_database_code_amcsd 0002393
5.3944 9.3454 10.3284 90 100.22 90 C2/m
atom     x     y     z occ  Biso
SiT  .5714 .1668 .2258 .718   .6
AlT  .5714 .1668 .2258 .282   .6
Al1      0    .5    .5 .952   .7
Fe1      0    .5    .5 .048   .7
Al2      0 .8333    .5 .036  .97
Fe2      0 .8333    .5 .958  .97
K        0     0     0  .99  4.0
O1   .8085 .2466 .1744       2.5
O2   .5417     0 .1722        .9
O3   .6365 .1665 .3940        .9
O4   .1323     0 .3877       1.4