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: 126231 Tanzania
_database_code_amcsd 0002606
17.0645 9.7281 9.3515 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        .33736       0    .25 .917 .00639 .00543 .00592 .00782       0       0 -.00016
FeM        .33736       0    .25 .083 .00639 .00543 .00592 .00782       0       0 -.00016
AlT11         .25     .25 .25020 .985 .00585 .00694 .00534 .00529  .00145       0       0
FeT11         .25     .25 .25020 .015 .00585 .00694 .00534 .00529  .00145       0       0
SiT16           0      .5    .25 .992 .00492 .00428 .00596 .00450       0       0       0
FeT16           0      .5    .25 .008 .00492 .00428 .00596 .00450       0       0       0
SiT21      .19258  .07786      0      .00421 .00451 .00355 .00457  .00025       0       0
SiT23      .13513 -.23727      0      .00435 .00395 .00443 .00467 -.00055       0       0
AlT26      .05091  .30800      0      .00453 .00388 .00489 .00481  .00046       0       0
O11        .24727 -.10284 .35879      .00783 .00980 .00692 .00676 -.00046  .00322 -.00096
O16        .06223 -.41618 .34898      .00748 .00634 .00913 .00696 -.00072  .00027 -.00314
O13       -.17310 -.31010 .35851      .00800 .00805 .00859 .00735  .00131 -.00190 -.00240
O26        .04303 -.24727      0      .01158 .00442 .01468 .01565 -.00236       0       0
O21        .12227  .18445      0      .01156 .00934 .00969 .01564  .00528       0       0
O23        .16444 -.07961      0      .01104 .01240 .00450 .01620 -.00292       0       0
WatCh1          0       0    .25  .38   .161
NaCh2           0       0      0 .084   .038   .038   .022   .053       0       0       0
CCh1c           0       0    .25 .192   .031
OCh1x      .05953       0    .25 .192   .082