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: A44
_database_code_amcsd 0002392
5.3899 9.3367 10.3086 90 100.16 90 C2/m
atom     x     y     z  occ Biso
SiT  .5746 .1664 .2254  .75 1.07
AlT  .5746 .1664 .2254  .25 1.07
Fe1      0    .5    .5        .9
Fe2      0 .8333    .5      1.60
K        0     0     0 .956  3.8
O1   .8138 .2410 .1777       3.2
O2   .5457     0 .1676       2.4
O3   .6373 .1675 .3939       1.5
O4   .1367     0 .3860       1.9