AM_Topaz_10
Formula: Al2 Si O6 D2
Name: Topaz
Unit cell: 4.6978 8.8786 8.339 90.0 90.0 90.0 , V=347.82
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: 38 tons, P = 3.6 GPa