Ca4Ge4O12 Vinograd V L, Winkler B, Wilson D J, Putnis A, Gale J D Physics and Chemistry of Minerals 33 (2006) 533-544 Monte Carlo simulation of mixing in Ca3Fe2Ge3O12-Ca4Ge4O12 garnets and implications for the thermodynamic stability of pyrope-majorite solid solution Sample: SLEC _database_code_amcsd 0009045 12.539 12.539 12.34 90 90 90 *I4_1/a .5 .25 .125 atom x y z Ca1 .1251 .0076 .2567 Ca2 0 .25 .6245 Ca3 0 0 .5 Ge1 0 .25 3/8 Ge2 0 .25 7/8 Ge3 .1266 .0166 .7595 Ge4 0 0 0 O1 .0301 .0650 .6750 O2 .0460 .9622 .8639 O3 .2239 .1115 .8043 O4 .2089 .9234 .7043 O5 .9344 .1675 .4653 O6 .8964 .2164 .7873