Katoite Lager G A, Von Dreele R B American Mineralogist 81 (1996) 1097-1104 Neutron powder diffraction study of hydrogarnet to 9.0 GPa P = 6.1 GPa _database_code_amcsd 0001830 12.163 12.163 12.163 90 90 90 Ia-3d atom x y z Uiso Ca .125 0 .25 .0001 Al 0 0 .5 .006 H .1550 .0828 .7927 .042 O .0306 .0550 .6405 .004