Information card for entry 9000935

Structure parameters

• Mineral name: Gillespite
• Formula: Ca Cr O10 Si4
• Calculated formula: Ca Cr O10 Si4
• Title of publication: Crystal structure and optical spectroscopy (300 to 2200 nm) of CaCrSi4O10
• Authors of publication: Belsky, H. L.; Rossman, G. R.; Prewitt, C. T.; Gasparik, T.
• Journal of publication: American Mineralogist
• Year of publication: 1984
• Journal volume: 69
• Pages of publication: 771 - 776
• a: 7.378 Å
• b: 7.378 Å
• c: 15.119 Å
• α: 90°
• β: 90°
• γ: 90°
• Cell volume: 823.001 ų
• Number of distinct elements: 4
• Space group number: 130
• Hermann-Mauguin space group symbol: P 4/n c c :1
• Hall space group symbol: P 4ab 2n -1ab
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: No