Pyrope 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 JW12 _database_code_amcsd 0001564 11.4566 11.4566 11.4566 90 90 90 Ia-3d atom x y z Biso Si .375 0 .25 .293 Al 0 0 0 .357 Mg .125 0 .25 .707 O .0329 .0501 .6528 .290