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: 94755, Tincup mining district, Wyoming, T = 900 C, t = 24 h _database_code_amcsd 0002617 17.138 9.751 9.328 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 .33744 0 .25 .771 .00715 .00625 .00679 .00841 0 0 -.00009 FeM .33744 0 .25 .289 .00715 .00625 .00679 .00841 0 0 -.00009 AlT11 .25 .25 .25005 .995 .00635 .00786 .00628 .00490 .00114 0 0 FeT11 .25 .25 .25005 .005 .00635 .00786 .00628 .00490 .00114 0 0 SiT16 0 .5 .25 .00564 .00577 .00657 .00457 0 0 0 SiT21 .19161 .07831 0 .00500 .00566 .00460 .00475 .00019 0 0 SiT23 .13501 -.23658 0 .00502 .00486 .00543 .00478 -.00056 0 0 AlT26 .05037 .30762 0 .00522 .00482 .00606 .00480 .00071 0 0 O11 .24616 -.10329 .35854 .00859 .01134 .00811 .00633 -.00059 .00313 -.00083 O16 .06194 -.41571 .34891 .00862 .00815 .01047 .00725 -.00150 .00079 -.00322 O13 -.17335 -.30888 .35817 .00872 .00940 .00972 .00702 .00136 -.00228 -.00231 O26 .04342 -.24893 0 .01254 .00600 .01612 .01551 -.00234 0 0 O21 .12162 .18469 0 .01254 .01122 .01063 .01578 .00557 0 0 O23 .16365 -.07891 0 .01218 .01390 .00634 .01630 -.00294 0 0 NaCh2 0 0 0 .066 .090 .041 .016 .212 .007 0 0