Kosmochlor
Origlieri M J, Downs R T, Thompson R M, Pommier C J S, Denton M B, Harlow G E
American Mineralogist 88 (2003) 1025-1032
High-pressure crystal structure of kosmochlor, NaCrSi2O6, and systematics of
anisotropic compression in pyroxenes
Sample: P = 7.23 GPa
_database_code_amcsd 0003141
9.4105 8.5481 5.1727 90 106.915 90 C2/c
atom     x     y     z Biso
Na2      0 .3025   .25  1.2
Cr1      0 .9086   .25  .69
Si   .2929 .0933 .2348  .70
O1   .1148 .0820  .141  0.8
O2   .3588 .2624  .312  0.8
O3   .3570 .0161  .003  0.9