Information card for entry 9000879

Structure parameters

• Mineral name: Gillespite
• Formula: Ba Fe O10 Si4
• Calculated formula: Ba Fe O10 Si4
• Title of publication: High-pressure and high-temperature crystallographic study of the gillespite I-II phase transition P = 9 kbar
• Authors of publication: Hazen, R. M.; Finger, L. W.
• Journal of publication: American Mineralogist
• Year of publication: 1983
• Journal volume: 68
• Pages of publication: 595 - 603
• a: 7.492 Å
• b: 7.492 Å
• c: 15.943 Å
• α: 90°
• β: 90°
• γ: 90°
• Cell volume: 894.882 ų
• Ambient diffracton pressure: 900000 kPa
• Number of distinct elements: 4
• Space group number: 130
• Hermann-Mauguin space group symbol: P 4/n c c :2
• Hall space group symbol: -P 4a 2ac
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: No