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, T = 900 C, t = 24h _database_code_amcsd 0002612 17.089 9.729 9.350 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 .33750 0 .25 .908 .00648 .00540 .00611 .00793 0 0 -.00006 FeM .33750 0 .25 .092 .00648 .00540 .00611 .00793 0 0 -.00006 AlT11 .25 .25 .25014 .988 .00580 .00670 .00535 .00535 .00131 0 0 FeT11 .25 .25 .25014 .012 .00580 .00670 .00535 .00535 .00131 0 0 SiT16 0 .5 .25 .00468 .00400 .00567 .00437 0 0 0 SiT21 .19241 .07782 0 .00419 .00441 .00368 .00449 .00023 0 0 SiT23 .13509 -.23748 0 .00427 .00377 .00443 .00460 -.00061 0 0 AlT26 .05078 .30787 0 .00452 .00375 .00500 .00479 .00057 0 0 O11 .24706 -.10275 .35876 .00777 .00958 .00707 .00666 -.00055 .00302 -.00077 O16 .06229 -.41607 .34893 .00745 .00620 .00912 .00703 -.00095 .00024 -.00316 O13 -.17325 -.31013 .35842 .00779 .00792 .00847 .00698 .00127 -.00208 -.00236 O26 .04320 -.24863 0 .01139 .00439 .01494 .01484 -.00221 0 0 O21 .12219 .18450 0 .01137 .00940 .00971 .01499 .00563 0 0 O23 .16419 -.07953 0 .01107 .01253 .00486 .01582 -.00307 0 0 NaCh2 0 0 0 .086 .066 .051 .019 .128 0 0 0