Ringwoodite
Smyth J R, Holl C M, Frost D J, Jacobsen S D, Langenhorst F, McCammon C A
American Mineralogist 88 (2003) 1402-1407
Structural systematics of hydrous ringwoodite and water in Earth's interior
Sample: SZ0002
_database_code_amcsd 0003162
8.0904 8.0904 8.0904 90 90 90 *Fd3m
.125 .125 .125
atom       x      y      z  occ U(1,1) U(2,2) U(3,3)  U(1,2)  U(1,3)  U(2,3)
SiTet   .125   .125   .125      .00590 .00590 .00590       0       0       0
MgOct     .5     .5     .5 .869 .00547 .00547 .00547 -.00039 -.00039 -.00039
FeOct     .5     .5     .5 .108 .00547 .00547 .00547 -.00039 -.00039 -.00039
O     .24345 .24345 .24345      .00601 .00601 .00601 -.00006 -.00006 -.00006