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: 85131, Mt Bity, Madagaskar
_database_code_amcsd 0002609
17.0987 9.7388 9.3347 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        .33746       0    .25 .807 .00652 .00541 .00571 .00843       0       0 -.00003
FeM        .33746       0    .25 .193 .00652 .00541 .00571 .00843       0       0 -.00003
AlT11         .25     .25 .25009 .981 .00610 .00722 .00557 .00550  .00132       0       0
FeT11         .25     .25 .25009 .019 .00610 .00722 .00557 .00550  .00132       0       0
SiT16           0      .5    .25 .992 .00498 .00449 .00574 .00469       0       0       0
FeT16           0      .5    .25 .008 .00498 .00449 .00574 .00469       0       0       0
SiT21      .19213  .07807      0      .00426 .00444 .00343 .00491  .00022       0       0
SiT23      .13511 -.23686      0      .00433 .00378 .00431 .00491 -.00060       0       0
AlT26      .05064  .30764      0      .00455 .00384 .00477 .00503  .00057       0       0
O11        .24677 -.10308 .35865      .00781 .00994 .00659 .00690 -.00061  .00318 -.00100
O16        .06208 -.41594 .34889      .00768 .00671 .00907 .00725 -.00127  .00034 -.00338
O13       -.17326 -.30947 .35835      .00776 .00818 .00812 .00699  .00133 -.00207 -.00238
O26        .04321 -.24788      0      .01167 .00412 .01461 .01629 -.00206       0       0
O21        .12197  .18448      0      .01145 .00902 .00926 .01608  .00543       0       0
O23        .16417 -.07919      0      .01105 .01252 .00480 .01581 -.00288       0       0
WatCh1          0       0    .25  .55   .195   .359   .154   .071       0       0       0
NaCh2           0       0      0 .056   .037   .051   .016   .044   -.001       0       0