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 = 200 C, 2-theta <= 50
Note: Sample is exactly intermediate between diopside and kosmochlor
_database_code_amcsd 0007095
9.666 8.850 5.267 90 106.53 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  .3014   .25  .5 .0188   .023   .016   .015      0    .000       0
CaM2     0  .3014   .25  .5 .0188   .023   .016   .015      0    .000       0
CrM1     0  .9064   .25  .5 .0093  .0084   .012  .0074      0   .0015       0
MgM1     0  .9064   .25  .5 .0093  .0084   .012  .0074      0   .0015       0
Si   .2888  .0922 .2304     .0082  .0084  .0097  .0068  .0005   .0029  -.0009
O1   .1144  .0807 .1396     .0124   .008   .019   .011  -.001    .003    .000
O2   .3603  .2535 .3088      .015   .016   .015   .014  -.003    .006   -.003
O3   .3515  .0125 .0012     .0112   .012   .013   .010  -.001    .005   -.003