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: 111249, Cerro del Hoyazo, Spain, T = 900 C, t = 24 h
_database_code_amcsd 0002618
17.172 9.7660 9.3142 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    .33741       0    .25 .494 .00707 .00608 .00663 .00851       0       0  .00006
FeM    .33741       0    .25 .506 .00707 .00608 .00663 .00851       0       0  .00006
AlT11     .25     .25 .25008 .991 .00612 .00773 .00588 .00475  .00122       0       0
FeT11     .25     .25 .25008 .009 .00612 .00773 .00588 .00475  .00122       0       0
SiT16       0      .5    .25      .00525 .00537 .00642 .00397       0       0       0
SiT21  .19126  .07847      0      .00474 .00598 .00378 .00447  .00017       0       0
SiT23  .13492 -.23598      0      .00466 .00480 .00474 .00445 -.00079       0       0
AlT26  .05011  .30707      0      .00461 .00390 .00583 .00411  .00069       0       0
O11    .24562 -.10360 .35846      .00835 .01087 .00784 .00635 -.00043  .00291 -.00139
O16    .06161 -.41513 .34874      .00846 .00806 .00975 .00757 -.00124 -.00017 -.00298
O13   -.17332 -.30819 .35802      .00826 .00919 .00940 .00619  .00139 -.00217 -.00218
O26    .04360 -.24862      0      .01233 .00587 .01590 .01521 -.00263       0       0
O21    .12127  .18444      0      .01236 .01118 .01014 .01577  .00532       0       0
O23    .16337 -.07837      0      .01219 .01552 .00576 .01530 -.00341       0       0
NaCh2       0       0      0 .037   .055