Co3Al2Si3O12 Taran M N, Nestola F, Ohashi H, Koch-Muller M, Balic-Zunic T, Olsen L A American Mineralogist 92 (2007) 1616-1623 High-pressure optical spectroscopy and X-ray diffraction studies on synthetic cobalt aluminum silicate garnet Locality: Synthetic Sample: P = 1.80 GPa _database_code_amcsd 0004455 11.4264 11.4264 11.4264 90 90 90 Ia-3d atom x y z Uiso Co .125 0 .25 .0060 Al 0 0 0 .0062 Si .375 0 .25 .0093 O .0339 .0509 .6529