Diopside
Bindi L, Downs R T, Harlow G E, Safonov O G, Litvin Y A, Perchuk L L, Uchida H, Menchetti S
American Mineralogist 91 (2006) 802-808
Compressibility of synthetic potassium-rich clinopyroxene:
In situ high-pressure single-crystal X-ray study
Sample: 939-1, in diamond cell, P = 0 GPa
_database_code_amcsd 0004147
9.6912 8.8986 5.2531 90 105.990 90 C2/c
atom      x      y     z occ Biso
Ca2       0 .30244   .25 .88  .87
K2        0 .30244   .25 .12  .87
Mg1       0  .9070   .25 .83  .52
Al1       0  .9070   .25 .17  .52
Si   .28611 .09289 .2257 .99  .43
Al   .28611 .09289 .2257 .01  .43
O1    .1140  .0844 .1382      .91
O2    .3596  .2514 .3113      .94
O3    .3501  .0165 .9926      .67