Diopside
Tribaudino M, Nestola F, Ohashi H
European Journal of Mineralogy 17 (2005) 297-304
High temperature single crystal investigation in a clinopyroxene of
composition (Na0.5Ca0.5)(Cr0.5Mg0.5)Si2O6
Sample: T = 620 C, 2-theta <= 50
Note: Sample is exactly intermediate between diopside and kosmochlor
_database_code_amcsd 0007097
9.697 8.902 5.282 90 106.54 90 C2/c
atom     x      y     z occ  Uiso U(1,1) U(2,2) U(3,3) U(1,2)  U(1,3)  U(2,3)
NaM2     0  .3013   .25  .5 .0312   .039   .024   .024      0   -.000       0
CaM2     0  .3013   .25  .5 .0312   .039   .024   .024      0   -.000       0
CrM1     0  .9057   .25  .5 .0149   .015   .015  .0137      0   .0028       0
MgM1     0  .9057   .25  .5 .0149   .015   .015  .0137      0   .0028       0
Si   .2883  .0920 .2298     .0136  .0134   .016  .0116 -.0003   .0047  -.0001
O1   .1141  .0808 .1386      .018   .014   .026   .016  -.002    .005   -.000
O2   .3589  .2522 .3071      .025   .033   .018   .025  -.006    .010   -.004
O3   .3505  .0117 .0009      .019   .020   .021   .015   .001    .006   -.006