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 = 1.14 GPa
_database_code_amcsd 0003134
9.5439 8.6831 5.2517 90 107.441 90 C2/c
atom     x     y     z Biso
Na2      0 .3006   .25 1.80
Cr1      0 .9082   .25 1.23
Si   .2925 .0921 .2342 1.29
O1   .1144 .0798  .138 1.34
O2   .3614 .2583  .306  1.4
O3   .3527 .0109  .007 1.45