Grossular Ganguly J, Cheng W, O'Neill H St C American Mineralogist 78 (1993) 583-593 Syntheses, volume, and structural changes of garnets in the pyrope-grossular join: Implications for stability and mixing properties Sample JW3 _database_code_amcsd 0001568 11.7817 11.7817 11.7817 90 90 90 Ia-3d atom x y z occ Biso Si .375 0 .25 .383 Al 0 0 0 .276 Mg .125 0 .25 .203 .423 Ca .125 0 .25 .797 .423 O .0367 .0460 .6514 .245