Al3Si2O7(OH)3
Daniels P, Wunder B
European Journal of Mineralogy 8 (1996) 1283-1292
Al3Si2O7(OH)3, phase Pi (formerly piezotite): Crystal structure
of a synthetic high-pressure silicate rediscovered
_database_code_amcsd 0006634
6.0885 7.2832 7.7234 115.71 88.85 92.89 P1
atom      x      y      z  Uiso
Al1  -.2841  .2527 -.0076 .0050
Al2   .2841 -.2527  .0076 .0050
Al3  -.3544  .3503  .3951 .0040
Al4   .3494 -.3477 -.3928 .0040
Al5   .1445 -.1511  .3932 .0039
Al6  -.1501  .1509 -.3989 .0039
Si1   .3627  .2754 -.2923 .0034
Si2  -.3683 -.2737  .2872 .0034
Si3  -.1445 -.2262 -.2960 .0035
Si4   .1358  .2180  .2924 .0035
O1   -.3040  .4884  .2306 .0045
O2    .2878 -.4933 -.2267 .0045
O3    .2003 -.0141  .2311 .0038
O4   -.2218  .0062 -.2334 .0038
O5   -.3739  .1399  .1535 .0040
O6    .3478 -.1353 -.1518 .0040
O7    .1268 -.3603  .1496 .0045
O8   -.1513  .3642 -.1537 .0045
O9    .4296  .2388 -.1047 .0050
O10  -.4387 -.2581  .0948 .0050
O11  -.0797 -.2446 -.0962 .0051
O12   .0559  .2424  .0999 .0051
O13  -.4340  .2071 -.4480 .0028
O14   .4195 -.2276  .4332 .0028
O15   .0649 -.2867 -.4355 .0043
O16  -.0783  .2781  .4382 .0043
O17   .3354  .3858  .4006 .0038
O18  -.3474 -.3932 -.3943 .0038
O19  -.1634 -.1136  .4013 .0035
O20   .1545  .1105 -.3912 .0035
H1    .4830  .0881  .1796
H2   -.5052 -.0870 -.1797
H3   -.0145 -.4099  .1762
H4   -.0064  .4112 -.1778
H5   -.2020 -.2492 -.0311
H6    .1821  .2412  .0308