Clinochlore
Guggenheim S, Zhan W
American Mineralogist 84 (1999) 1415-1421
Crystal structures of two partially dehydrated chlorites: The "modified"
chlorite structure
Sample: chromian clinochlore-IIb-4
Note: The sites labeled I are of undetermined occupancies.
_database_code_amcsd 0002313
5.368 9.297 14.215 89.86 97.15 89.98 C-1
atom     x      y      z occ U(1,1) U(2,2) U(3,3) U(1,2) U(1,3) U(2,3)
Mg1      0      0      0 .99   .004   .008   .084 -.0029   .010   .001
Al1      0      0      0 .01   .004   .008   .084 -.0029   .010   .001
Mg2  .0005  .3336 -.0002 .99  .0059  .0097   .086 -.0023   .010 -.0003
Al2  .0005  .3336 -.0002 .01  .0059  .0097   .086 -.0023   .010 -.0003
Si1  .2297  .1662  .1933 .76  .0119  .0161   .081 -.0024   .009   .001
Al1  .2297  .1662  .1933 .24  .0119  .0161   .081 -.0024   .009   .001
Si2  .2311  .4989  .1934 .76  .0119  .0175   .077 -.0016   .010   .001
Al2  .2311  .4989  .1934 .24  .0119  .0175   .077 -.0016   .010   .001
O1   .1920  .1662  .0767       .009   .013   .684  -.003   .010   .000
O2   .6924 -.0005  .0775       .011   .014   .088  -.002   .008  -.002
O3    .208  .3321  .2348       .044   .027   .118  -.003   .002   .003
O4    .513  .1010  .2344       .025   .048   .112   .008   .020   .012
O5    .013  .0652  .2338       .023   .048   .097  -.022   .020  -.009
OH6  .6919  .3326  .0754       .012   .015   .099  -.002   .011  -.000
I1    .186   .333   .575       .072   .085   .105   .001   .017   .004
I2    .194  -.005   .574       .075   .067   .098   .003   .013   .000
I3    .198   .666   .597       .072   .076   .135  -.007   .022  -.006
I4    .129  .6660  .3874       .025   .030   .132  -.004   .015  -.002
I5    .138  .3338   .410       .022   .029   .193   .002   .014   .004
I6    .138  .0018   .411       .026   .026   .207  -.002   .035  -.011