Sudoite
Eggleton R A, Bailey S W
American Mineralogist 52 (1967) 673-689
Structural aspects of dioctahedral chlorite
_database_code_amcsd 0000155
5.237 9.070 14.285 90 97.03 90 C2/m
atom     x     y     z occ
Si   .2312 .1667 .1909 .83
Al   .2312 .1667 .1909 .17
Al2      0 .3333     0
Mg3      0 .1667    .5 .77
Al3      0 .1667    .5 .23
Mg4      0    .5    .5 .77
Al4      0    .5    .5 .23
O1   .1900 .1667 .0720
O2   .1943     0 .2368
O3   .5066 .2335 .2332
OH1  .1900    .5 .0720
OH2  .1421     0 .4243
OH3  .1421 .3333 .4243