Cordierite
Koepke J, Schulz H
Physics and Chemistry of Minerals 13 (1986) 165-173
Single crystal structure investigations under high-pressure of the
mineral cordierite with an improved high-pressure cell
Sample: P = 0.3 GPa
Locality: Zabargad island, Red Sea
_database_code_amcsd 0007384
17.058 9.724 9.336 90 90 90 Cccm
atom      x     y     z  Uiso
Mg    .1629    .5   .25 .0146
Al11    .25   .25 .2493 .0138
Si16      0    .5   .25 .0133
Si21  .1938 .0778     0 .0133
Al26  .0501 .3073     0 .0096
Si23 -.1354 .2376     0 .0117
O11   .2483 .1038 .1416 .0125
O16   .0611 .4167 .1509 .0172
O13  -.1737 .3088 .1424 .0209
O21   .1223 .1880     0 .0217
O26  -.0440 .2515     0 .0092
O23  -.1646 .0793     0 .0153