Hydrogarnet Lager G A, Armbruster T, Faber J American Mineralogist 72 (1987) 756-765 Neutron and X-ray diffraction study of hydrogarnet Ca3Al2(O4H4)3 Sample: T = 300 K, X-ray 2, without H _database_code_amcsd 0001108 12.565 12.565 12.565 90 90 90 Ia-3d atom x y z B(1,1) B(2,2) B(3,3) B(1,2) B(1,3) B(2,3) Ca .125 0 .25 .00171 .00114 .00114 0 0 .00032 Al 0 0 0 .00106 .00106 .00106 -.00008 -.00008 -.00008 OH .0286 .0528 .6398 .00185 .00181 .00129 -.00030 -.00012 -.00045