Diopside
Oberti R, Caporuscio F A
American Mineralogist 76 (1991) 1141-1152
Crystal chemistry of clinopyroxenes from mantle eclogites: A study of the key
role of the M2 site population by means of crystal-structure refinement
sample SRV 4, Di90Jd05, diopside - jadeite join
_database_code_amcsd 0001362
9.739 8.913 5.253 90 106.02 90 C2/c
atom     x     y      z  occ Biso
Mg1      0 .9075    .25  .90 0.42
Fe1      0 .9075    .25  .07 0.42
Al1      0 .9075    .25  .03 0.42
Ca2      0 .3007    .25  .91 0.67
Na2      0 .3007    .25  .05 0.67
Fe2      0 .3007    .25  .03 0.49
Mg2      0 .3007    .25  .01 0.49
Si   .2869 .0930  .2304 .985 0.33
Al   .2869 .0930  .2304 .015 0.33
O1   .1156 .0870  .1421      0.51
O2   .3616 .2501  .3195      0.71
O3   .3509 .0178 -.0039      0.56