Wadsleyite
Kudoh Y, Inoue T, Arashi H
Physics and Chemistry of Minerals 23 (1996) 461-469
Structure and crystal chemistry of hydrous wadsleyite, Mg1.75SiH0.5O4:
possible hydrous magnesium silicate in the mantle transition zone
Locality: synthetic
_database_code_amcsd 0007971
5.663 11.546 8.247 90 90 90 Imma
atom     x     y     z occ Biso U(1,1) U(2,2) U(3,3) U(1,2) U(1,3) U(2,3)
Mg1      0     0     0 .97  1.0   .023   .004   .011      0      0   .003
Mg2      0   .25 .9694 .94   .6   .010   .008   .005      0      0      0
Mg3    .25 .1206   .25 .78 1.00   .013   .015   .011      0   .002      0
Si       0 .1208 .6155      .82   .010   .010   .012      0      0  -.002
OH1      0   .25  .229       .5   .000   .009   .011      0      0      0
O2       0   .25 .7187       .4   .009   .003   .004      0      0      0
O3       0 .9856 .2571      1.5   .026   .013   .018      0      0   .003
O4   .2607 .1242 .9949      .77   .008   .009   .012  -.014   .000   .002