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 SBB 7P, Di78Jd18, diopside - jadeite join
_database_code_amcsd 0001363
9.693 8.889 5.253 90 106.34 90 C2/c
atom     x     y      z  occ Biso
Mg1      0 .9068    .25  .79 0.46
Cr1      0 .9068    .25  .09 0.46
Al1      0 .9068    .25  .07 0.46
Fe1      0 .9068    .25  .05 0.46
Ca2      0 .3008    .25  .78 0.76
Na2      0 .3008    .25  .18 0.76
Mg2      0 .3008    .25  .04 0.64
Si   .2877 .0927  .2309 .985 0.35
Al   .2877 .0927  .2309 .015 0.35
O1   .1150 .0853  .1405      0.61
O2   .3614 .2519  .3170      0.78
O3   .3513 .0168 -.0019      0.59