Information card for entry 9002181

Structure parameters

• Mineral name: BaSi4O9
• Formula: Ba O9 Si4
• Calculated formula: Ba O9 Si4
• Title of publication: Crystal chemistry of high-pressure BaSi4O9 in the trigonal (P3) barium tetragermanate structure
• Authors of publication: Hazen, R. M.; Yang, H.; Finger, L. W.; Fursenko, B. A.
• Journal of publication: American Mineralogist
• Year of publication: 1999
• Journal volume: 84
• Pages of publication: 987 - 989
• a: 11.2469 Å
• b: 11.2469 Å
• c: 4.4851 Å
• α: 90°
• β: 90°
• γ: 120°
• Cell volume: 491.325 ų
• Number of distinct elements: 3
• Space group number: 143
• Hermann-Mauguin space group symbol: P 3
• Hall space group symbol: P 3
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: No