Cordierite
Malcherek T, Domeneghetti M C, Tazzoli V, Ottolini L, McCammon C A, Carpenter M A
American Mineralogist 86 (2001) 66-79
Structural properties of ferromagnesian cordierites
Sample: 1997-1 SE-India
_database_code_amcsd 0002605
17.0568 9.7154 9.3472 90 90 90 Cccm
atom            x       y      z  occ   Uiso U(1,1) U(2,2) U(3,3)  U(1,2)  U(1,3)  U(2,3)
MgM        .33743       0    .25 .992 .00625 .00522 .00607 .00745       0       0 -.00008
FeM        .33743       0    .25 .008 .00625 .00522 .00607 .00745       0       0 -.00008
AlT11         .25     .25 .25015 .991 .00553 .00656 .00502 .00499  .00136       0       0
FeT11         .25     .25 .25015 .009 .00553 .00656 .00502 .00499  .00136       0       0
SiT16           0      .5    .25      .00448 .00371 .00561 .00412       0       0       0
SiT21      .19266  .07779      0      .00405 .00428 .00351 .00436  .00028       0       0
SiT23      .13516 -.23754      0      .00414 .00377 .00421 .00444 -.00059       0       0
AlT26      .05091  .30795      0      .00440 .00358 .00488 .00472  .00051       0       0
O11        .24743 -.10271 .35880      .00722 .00886 .00655 .00625 -.00073  .00279 -.00107
O16        .06242 -.41629 .34900      .00711 .00573 .00903 .00657 -.00088  .00020 -.00312
O13       -.17328 -.31056 .35852      .00731 .00789 .00773 .00630  .00127 -.00202 -.00221
O26        .04309 -.24797      0      .01146 .00437 .01486 .01515 -.00198       0       0
O21        .12243  .18464      0      .01089 .00839 .00916 .01514  .00508       0       0
O23        .16455 -.07972      0      .01064 .01244 .00471 .01477 -.00266       0       0
WatCh1          0       0    .25  .54   .193   .362   .134   .084       0       0       0
NaCh2           0       0      0 .044   .029   .017   .025   .046    .003       0       0