Topaz
Komatsu K, Kagi H, Marshall W G, Kuribayashi T, Parise J B, Kudoh Y
American Mineralogist 93 (2008) 217-227
Pressure dependence of the hydrogen-bond geometry in topaz-OD from neutron
powder diffraction
Locality: synthetic
Sample: 46 tons, P = 4.7 GPa
_database_code_amcsd 0004521
4.6888 8.8624 8.3147 90 90 90 Pbnm
atom     x     y     z occ  Uiso
Al    .904 .1338  .090     .0105
Si    .402 .9418   .25     .0105
O1    .712 .0282   .25     .0067
O2    .445 .7584   .25     .0067
O3   .2175 .9946 .0907     .0067
O4   .5922 .2546 .0705     .0067
D1    .462 .1822  .119 .59  .064
D2    .516  .274 .1772 .41  .048