Information card for entry 9017272

Structure parameters

• Mineral name: Kosmochlor
• Formula: Cr Na O6 Si2
• Calculated formula: Cr4 Na4 O24 Si8
• Title of publication: High-pressure single-crystal X-ray diffraction study of jadeite and kosmochlor Note: P = 40.2 GPa
• Authors of publication: Posner, E. S.; Dera, P.; Downs, R. T.; Lazarz, J. D.; Irmen, P.
• Journal of publication: Physics and Chemistry of Minerals
• Year of publication: 2014
• Journal volume: 41
• Pages of publication: 695 - 707
• a: 9.011 Å
• b: 7.918 Å
• c: 4.8955 Å
• α: 90°
• β: 105.1°
• γ: 90°
• Cell volume: 337.229 ų
• Ambient diffracton pressure: 40200000 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