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: G-117
_database_code_amcsd 0002399
5.377 9.308 10.283 90 100.22 90 C2/m
atom     x      y      z  occ Biso
SiT  .5754 .16681 .22579 .638  .99
AlT  .5754 .16681 .22579 .112  .99
Al1      0     .5     .5       .87
Fe1      0     .5     .5       .87
Al2      0 .83196     .5       .89
Fe2      0 .83196     .5       .89
K        0      0      0  .99 2.85
Na       0      0      0  .01 2.85
O1   .8260  .2298  .1695      2.01
O2   .5158      0  .1706      1.93
O3   .6319  .1679  .3918      1.44
O4   .1271      0  .3963      1.61