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 = 2.3 GPa
Locality: Zabargad island, Red Sea
_database_code_amcsd 0007387
16.990 9.680 9.293 90 90 90 Cccm
atom      x     y     z  Uiso
Mg    .1624    .5   .25 .0084
Al11    .25   .25 .2503 .0075
Si16      0    .5   .25 .0081
Si21  .1932 .0769     0 .0060
Al26  .0514 .3076     0 .0063
Si23 -.1350 .2368     0 .0062
O11   .2476 .1022 .1420 .0092
O16   .0625 .4157 .1503 .0075
O13  -.1734 .3138 .1415 .0122
O21   .1239 .1825     0 .0099
O26  -.0424 .2462     0 .0129
O23  -.1656 .0778     0 .0132