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 = 200 K _database_code_amcsd 0001105 12.5530 12.5530 12.5530 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 .00142 .00117 .00117 0 0 0 Al 0 0 0 .00074 .00074 .00074 -.00016 -.00016 -.00016 O .0284 .0523 .6399 .00105 .00144 .00107 -.00008 -.00019 -.00020 D .1523 .0904 .7986 .00222 .00519 .00890 -.00215 -.00149 .00235