Information card for entry 9003046

Structure parameters

• Mineral name: Kosmochlor
• Formula: Cr Na O6 Si2
• Calculated formula: Cr Na O6 Si2
• Title of publication: High-pressure crystal structure of kosmochlor, NaCrSi2O6, and systematics of anisotropic compression in pyroxenes Sample: P = 2.22 GPa
• Authors of publication: Origlieri, M. J.; Downs, R. T.; Thompson, R. M.; Pommier, C. J. S.; Denton, M. B.; Harlow, G. E.
• Journal of publication: American Mineralogist
• Year of publication: 2003
• Journal volume: 88
• Pages of publication: 1025 - 1032
• a: 9.5173 Å
• b: 8.6605 Å
• c: 5.2374 Å
• α: 90°
• β: 107.349°
• γ: 90°
• Cell volume: 412.051 ų
• Ambient diffracton pressure: 2220000 kPa
• Number of distinct elements: 4
• Space group number: 15
• Hermann-Mauguin space group symbol: C 1 2/c 1
• Hall space group symbol: -C 2yc
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: No