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 JW13 _database_code_amcsd 0001565 11.4520 11.4520 11.4520 90 90 90 Ia-3d atom x y z occ Biso Si .375 0 .25 .310 Al 0 0 0 .135 Mg .125 0 .25 .804 .545 Ca .125 0 .25 .196 .545 O .0335 .0490 .6527 .215