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: Zimbabwe
_database_code_amcsd 0002607
17.0807 9.7307 9.3427 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        .33745       0    .25 .876 .00657 .00575 .00559 .00837       0       0 -.00009
FeM        .33745       0    .25 .124 .00657 .00575 .00559 .00837       0       0 -.00009
AlT11         .25     .25 .25012 .982 .00600 .00738 .00503 .00560  .00127       0       0
FeT11         .25     .25 .25012 .018 .00600 .00738 .00503 .00560  .00127       0       0
SiT16           0      .5    .25      .00470 .00434 .00526 .00448       0       0       0
SiT21      .19236  .07792      0      .00428 .00476 .00317 .00492  .00015       0       0
SiT23      .13511 -.23720      0      .00436 .00416 .00385 .00506 -.00064       0       0
AlT26      .05075  .30775      0      .00453 .00416 .00446 .00496  .00045       0       0
O11        .24702 -.10287 .35867      .00782 .01023 .00631 .00693 -.00084  .00305 -.00113
O16        .06219 -.41604 .34894      .00748 .00687 .00863 .00695 -.00100  .00019 -.00318
O13       -.17324 -.30991 .35840      .00773 .00830 .00791 .00700  .00123 -.00196 -.00236
O26        .04317 -.24805      0      .01142 .00459 .01426 .01542 -.00204       0       0
O21        .12222  .18444      0      .01126 .00924 .00928 .01526  .00504       0       0
O23        .16426 -.07955      0      .01093 .01268 .00471 .01542 -.00320       0       0
WatCh1          0       0    .25  .39   .161   .298   .133   .052       0       0       0
NaCh2           0       0      0 .052   .025   .021   .010   .044   -.003       0       0