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 = 7.39 GPa
_database_code_amcsd 0003142
9.4059 8.5472 5.1703 90 106.892 90 C2/c
atom     x     y     z Biso
Na2      0 .3053   .25  1.3
Cr1      0 .9089   .25  .77
Si   .2933 .0934 .2356  .79
O1    .116 .0812  .139  0.9
O2    .358 .2637  .311  1.0
O3    .358 .0165  .002  0.9