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: sd87no.10
_database_code_amcsd 0002398
5.3582 9.2819 10.2688 90 100.39 90 C2/m
atom     x     y     z  occ Biso
SiT  .5741 .1673 .2271  .57  .73
AlT  .5741 .1673 .2271  .43  .73
Al1      0    .5    .5 .132   .7
Fe1      0    .5    .5 .868   .7
Al2      0 .8327    .5 .334  1.0
Fe2      0 .8327    .5 .722  1.0
K        0     0     0 .920  2.0
O1   .8343 .2190 .1766       2.0
O2   .5020     0 .1748       2.2
O3   .6385 .1700 .3958       1.9
O4   .1289     0 .3928       1.4