(Li.85Mg.09Fe.06)(Fe.85Mg.15)Si2O6 Camara F, Iezzi G, Oberti R Physics and Chemistry of Minerals 30 (2003) 20-30 HT-XRD study of synthetic ferrian magnesian spodumene: the effect of site dimension on the P2_1/c - C2/c phase transition Sample: T = 25 C _database_code_amcsd 0008740 9.638 8.709 5.258 90 109.83 90 P2_1/c atom x y z occ Uiso LiM2 .2520 .0139 .2314 .85 .015 MgM2 .2520 .0139 .2314 .09 .015 FeM2 .2520 .0139 .2314 .06 .015 FeM1 .2502 .6480 .2340 .85 .006 MgM1 .2502 .6480 .2340 .15 .006 SiA .0470 .3392 .2792 .005 SiB .5488 .8386 .2505 .005 O1A .8674 .3337 .1657 .006 O1B .3684 .8353 .1342 .007 O2A .1174 .5073 .3159 .009 O2B .6232 .0006 .3585 .009 O3A .1081 .2671 .5851 .009 O3B .6049 .7205 .5066 .010