Sepiolite
Post J E, Bish D L, Heaney P J
American Mineralogist 92 (2007) 91-97
Synchrotron powder X-ray diffraction study of the structure and dehydration
behavior of sepiolite
Sample: T = room temperature, in air
Locality: Durango, Mexico
_database_code_amcsd 0004269
13.405 27.016 5.2750 90 90 90 Pncn
atom      x     y    z occ Uiso
Mg1       0 .0297  .25     .040
Mg2       0 .0850  .75     .040
Mg3       0 .1434  .25     .040
Mg4       0 .2049  .75     .040
Si1   .2026 .0282 .586     .040
Si2   .1973 .1409 .576     .040
Si3   .2042 .1949 .070     .040
O1    .0824 .0276 .585     .035
OH2   .0805 .0854 .081     .035
O3    .0762 .1431 .597     .035
O4    .0847 .1971 .077     .035
O5     .248 .0040 .324     .035
O6    .2451 .0849 .579     .035
O7     .243 .1708 .334     .035
O8     .249 .1736 .802     .035
O9      .25   .25 .089     .035
Wat10  .088 .2596 .594     .035
Wat11  .562  .910 .988 .91  .10
Wat12   .50  .180  .25      .10
Wat13   .50  .023  .25 .43  .10
Wat14  .439  .157  .74 .33  .10