Phase-X
Welch M D, Konzett J, Bindi L, Kohn S C, Frost D J
American Mineralogist 97 (2012) 1849-1857
New structural features of the high-pressure synthetic
sheet-disilicate Phase-X, K(2-x)Mg2Si2O7Hx
Locality: synthetic
_database_code_amcsd 0019573
5.0646 5.0646 13.2379 90 90 120 P6_3/mcm
atom     x    y      z  occ  Uiso U(1,1) U(2,2) U(3,3) U(1,2) U(1,3) U(2,3)
K     .354 .644    .25  .25  .024   .015   .026  .0086  -.008      0      0
H        0  .46    .14 1/12
Mg     1/3  2/3      0      .0119  .0128  .0128  .0102  .0064      0      0
Si       0    0 .12314      .0079  .0094  .0094  .0048  .0047      0      0
O1       0    0    .25      .0119   .016   .016   .004  .0078      0      0
O2   .3099    0  .4100      .0094  .0089  .0106  .0091  .0053 -.0009      0