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: SZ0104
_database_code_amcsd 0003164
8.1053 8.1053 8.1053 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 .987 .00673 .00673 .00673       0       0       0
MgOct     .5     .5     .5 .832 .00564 .00564 .00564 -.00064 -.00064 -.00064
FeOct     .5     .5     .5 .129 .00564 .00564 .00564 -.00064 -.00064 -.00064
O     .24341 .24341 .24341      .00668 .00668 .00668  .00002  .00002  .00002