American Mineralogist Crystal Structure Database

1 matching records for this search.

Cordierite
Download hom/cordierite.pdf
Cohen J P, Ross F K, Gibbs G V
Download am/vol62/AM62_67.pdf
American Mineralogist 62 (1977) 67-78
An X-Ray and neutron diffraction study of hydrous low cordierite
_database_code_amcsd 0000556
17.079 9.730 9.356 90 90 90 Cccm
atom      x      y     z  occ Biso B(1,1) B(2,2) B(3,3)  B(1,2)  B(1,3)  B(2,3)
Si11    .25    .25 .2507 .559      .00052 .00109 .00148 0.00013       0       0
Al11    .25    .25 .2507 .441      .00052 .00109 .00148 0.00013       0       0
Si16      0     .5   .25 .559      .00043 .00202 .00174       0       0       0
Al16      0     .5   .25 .441      .00043 .00202 .00174       0       0       0
Si21  .1926  .0780     0 .559      .00033 .00104 .00201 0.00003       0       0
Al21  .1926  .0780     0 .441      .00033 .00104 .00201 0.00003       0       0
Si26  .0508  .3081     0 .559      .00039 .00124 .00154 0.00002       0       0
Al26  .0508  .3081     0 .441      .00039 .00124 .00154 0.00002       0       0
Si23 -.1352  .2372     0 .559      .00038 .00119 .00168 0.00009       0       0
Al23 -.1352  .2372     0 .441      .00038 .00119 .00168 0.00009       0       0
Mg    .1626     .5   .25 .955      .00038 .00165 .00212       0       0       0
Fe    .1626     .5   .25 .040      .00038 .00165 .00212       0       0       0
Mn    .1626     .5   .25 .005      .00038 .00165 .00212       0       0 0.00005
Na        0      0     0 .050  5.0
K         0      0     0 .020  5.0
Ca        0      0     0 .020  5.0
H1   -.0029 -.0412 .2397 .140  5.0
H2    .0174  .0833 .3050 .140  5.0
O11   .2473  .1028 .1422           .00073 .00160 .00253 0.00010 -.00032 -.00013
O16   .0623  .4161 .1512           .00052 .00214 .00231 0.00009 -.00007 -.00075
O13  -.1733  .3103 .1416           .00065 .00206 .00231 -.00017 0.00027 -.00061
O21   .1222  .1844     0           .00070 .00242 .00437 0.00061       0       0
O26  -.0432  .2478     0           .00041 .00336 .00410 -.00026       0       0
O23  -.1646  .0796     0           .00093 .00133 .00421 -.00032       0       0
OW     .027      0   .25 .280  9.8
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