Ringwoodite Ye Y, Brown D A, Smyth J R, Panero W R, Jacobsen S D, Chang Y Y, Townsend J P, Thomas S M, Hauri E H, Dera P, Frost D J American Mineralogist 97 (2012) 573-582 Compressibility and thermal expansion of hydrous ringwoodite with 2.5(3) wt% H2O Locality: synthetic Note: at room T after heating to T = 736 K, split Si model _database_code_amcsd 0018842 8.1115 8.1115 8.1115 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) Mg .5 .5 .5 .90 .0142 .0142 .0142 -.0021 -.0021 -.0021 Si1 .125 .125 .125 .87 .0147 .0147 .0147 0 0 0 Si2 .5 .5 0 .05 O .2444 .2444 .2444 .0176 .0176 .0176 .0019 .0019 .0019