Sekaninaite Hochella M F, Brown G E, Ross F K, Gibbs G V American Mineralogist 64 (1979) 337-351 High-temperature crystal chemistry of hydrous Mg- and Fe-cordierite Dolni Bory, T = 24 C _database_code_amcsd 0000709 17.230 9.835 9.314 90 90 90 Cccm atom x y z occ B(1,1) B(2,2) B(3,3) B(1,2) B(1,3) B(2,3) Mg .1632 .5 .25 .17 .00047 .00119 .00162 0 0 .00012 Fe .1632 .5 .25 .83 .00047 .00119 .00162 0 0 .00012 Al11 .25 .25 .2502 .00041 .00104 .00064 .00014 0 0 Si16 0 .5 .25 .00031 .00122 .00044 0 0 0 Si21 .1901 .0794 0 .00037 .00038 .00064 .00012 0 0 Al26 .0501 .3076 0 .00033 .00064 .00069 .00013 0 0 Si23 -.1347 .2343 0 .00034 .00043 .00073 -.00022 0 0 O11 .2442 .1052 .1415 .00069 .00129 .00093 -.00015 -.00044 -.00034 O16 .0611 .4144 .1522 .00070 .00207 .00134 .00030 .00023 -.00058 O13 -.1729 .3053 .1428 .00080 .00186 .00094 -.00021 .00003 -.00084 O21 .1188 .1822 0 .00072 .00176 .00404 .00066 0 0 O26 -.0435 .2449 0 .00040 .00363 .00494 -.00016 0 0 O23 -.1615 .0778 0 .00090 .00101 .00382 .00007 0 0