Wadsleyite Woodland A B, Angel R J American Mineralogist 83 (1998) 404-408 Crystal structure of a new spinelloid with the wadsleyite structure in the system Fe2SiO4-Fe3O4 and implications for the Earth's mantle Fe2.45Si.55O4 _database_code_amcsd 0001980 5.8559 11.8936 8.3684 90 90 90 Imma atom x y z occ B(1,1) B(2,2) B(3,3) B(1,2) B(1,3) B(2,3) Fe1 0 0 0 .0067 .00174 .0033 0 0 .00000 Fe2 0 .25 .96966 .0062 .00170 .0028 0 0 0 Fe3 .25 .12496 .25 .0082 .00194 .00300 0 -.00003 0 Si 0 .11991 .6180 .55 .0051 .00144 .00249 0 0 .00000 Fe 0 .11991 .6180 .45 .0051 .00144 .00249 0 0 0 O1 0 .25 .2255 .0057 .0022 .0031 0 0 0 O2 0 .25 .7234 .0065 .0047 .0033 0 0 0 O3 0 -.0041 .2544 .0042 .0038 .0042 0 0 -.0017 O4 .2556 .1222 .0014 .0092 .0038 .0039 .00012 -.0018 -.00005