Cordierite
Geiger C A, Armbruster T, Khomenko V, Quartieri S
American Mineralogist 85 (2000) 1255-1264
Cordierite I: The coordination of Fe2+
Sample: DA-1
_database_code_amcsd 0002493
17.072 9.727 9.351 90 90 90 Cccm
atom       x      y      z   occ U(1,1) U(2,2) U(3,3)  U(1,2) U(1,3)  U(2,3)
Si21  .30746 .07779      0        .0050  .0039  .0056 -.00013      0       0
Si16       0      0    .25        .0051  .0059  .0051       0      0       0
Si23  .36489 .23727     .5        .0047  .0044  .0056 -.00059      0       0
Al26  .05090 .19210      0        .0045  .0052  .0059 -.00040      0       0
Al11     .25    .25 .25021        .0072  .0052  .0061 -.00169      0       0
MgM   .16264      0    .25  .930  .0056  .0059  .0081       0      0   .0000
FeM   .16264      0    .25  .070  .0056  .0059  .0081       0      0   .0000
NaCH0     .5      0     .5   .09 .04118 .02585 .06546  .00249      0       0
OCH1      .5      0    .25   .32 .09435 .09373 .04963       0      0       0
OCH2    .440      0    .25   .13 .04386 .13710 .03721       0      0 -.01927
O16   .06225 .08387 .15115        .0068  .0091  .0082  -.0010 -.0001   .0031
O11   .25272 .10278 .14116        .0104  .0067  .0075  -.0005  .0036  -.0007
O13   .32679 .31010 .64158        .0090  .0088  .0082  -.0013  .0020  -.0029
O21   .37770  .1845      0        .0097  .0100  .0171  -.0063      0       0
O26   .45699  .2475     .5        .0050  .0158  .0166  -.0025      0       0
O23   .33548 -.0793      0        .0133  .0048  .0173   .0029      0       0