AM_Topaz_6
Formula: Al2 Si O6 D1.456 H.544
Name: Topaz
Unit cell: 4.7279 8.9269 8.4214 90.0 90.0 90.0 , V=355.43
Space group: PBNM (62)

Komatsu K , Kagi H , Marshall W G , Kuribayashi T , Parise J B , Kudoh Y , American Mineralogist , 93 (2008) p.217-227, Pressure dependence of the hydrogen-bond geometry in topaz-OD from neutron, powder diffraction, Locality: synthetic, Sample: P = 0.0001 GPa