AM_Kosmochlor_4 Formula: Na Cr Si2 O6 Name: Kosmochlor Unit cell: 9.572 8.7094 5.2678 90.0 107.498 90.0 , V=418.84 Space group: C12/C1 (15)

Origlieri M J , Downs R T , Thompson R M , Pommier C J S , Denton M B , Harlow G E , American Mineralogist , 88 (2003) p.1025-1032, High-pressure crystal structure of kosmochlor, NaCrSi2O6, and systematics of, anisotropic compression in pyroxenes, Sample: P = 0.0001 GPa, Note: altered y-coordinate of O2