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 = 0.9 GPa
Locality: Zabargad island, Red Sea
_database_code_amcsd 0007385
17.040 9.702 9.320 90 90 90 Cccm
atom      x     y     z  Uiso
Mg    .1626    .5   .25 .0069
Al11    .25   .25 .2500 .0074
Si16      0    .5   .25 .0063
Si21  .1930 .0780     0 .0055
Al26  .0509 .3077     0 .0058
Si23 -.1352 .2378     0 .0064
O11   .2473 .1032 .1416 .0071
O16   .0618 .4158 .1511 .0084
O13  -.1733 .3110 .1410 .0067
O21   .1228 .1842     0 .0100
O26  -.0431 .2485     0 .0116
O23  -.1650 .0795     0 .0099