Diopside
Salviulo G, Princivalle F, Demarchi G, Fabro C
Physics and Chemistry of Minerals 19 (1992) 213-219
Effects of Ca-Mg substitution in C2/c pyroxene structure on
natural clinopyroxenes from spinel peridotite nodules (Pico Cabugi, Brazil)
Sample: PC126
Locality: sample from Pico Cabugi, Brazil
_database_code_amcsd 0007726
9.692 8.853 5.265 90 106.76 90 C2/c
atom     x     y     z   occ Biso
CaM2     0 .2958   .25  .654 1.32
NaM2     0 .2958   .25  .078 1.32
MgM2     0 .2958   .25  .200 1.32
FeM2     0 .2958   .25  .064 1.32
MnM2     0 .2958   .25  .004 1.32
FeM2'    0 .2179   .25  .021 1.43
MgM1     0 .9066   .25  .757  .76
FeM1     0 .9066   .25  .041  .76
AlM1     0 .9066   .25  .151  .76
TiM1     0 .9066   .25   .01  .76
CrM1     0 .9066   .25  .041  .76
SiT  .2893 .0927 .2346 .9315  .87
AlT  .2893 .0927 .2346 .0685  .87
O1   .1150 .0864 .1402       1.03
O2   .3643 .2518 .3258       1.40
O3   .3519 .0185 .0004       1.28