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 = 0.0001 GPa _database_code_amcsd 0004454 11.4586 11.4586 11.4586 90 90 90 Ia-3d atom x y z Uiso Co .125 0 .25 .0112 Al 0 0 0 .0056 Si .375 0 .25 .0057 O .0338 .0506 .6528