Wadsleyite Finger L W, Hazen R M, Zhang J, Ko J, Navrotsky A Physics and Chemistry of Minerals 19 (1993) 361-368 The effect of Fe on the crystal structure of wadsleyite beta-(Mg1-xFex)2SiO4, 0.00<=x<=0.40 Sample: Fe16 _database_code_amcsd 0007736 5.7119 11.4681 8.2799 90 90 90 Imma atom x y z occ Biso MgM1 0 0 0 .829 .5 FeM1 0 0 0 .171 .5 MgM2 0 .25 .97049 .915 .5 FeM2 0 .25 .97049 .085 .5 MgM3 .25 .12603 .25 .808 .54 FeM3 .25 .12603 .25 .192 .54 Si 0 .12042 .61670 .28 O1 0 .25 .2174 .47 O2 0 .25 .7167 .40 O3 0 .9889 .2561 .46 O4 .2621 .12293 .9924 .40