Information card for entry 9000880

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 = 21 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: 7.4985 Å
• b: 7.3223 Å
• c: 7.92 Å
• α: 90°
• β: 90°
• γ: 90°
• Cell volume: 434.858 ų
• Ambient diffracton pressure: 2100000 kPa
• Number of distinct elements: 4
• Space group number: 18
• Hermann-Mauguin space group symbol: P 21 21 2
• Hall space group symbol: P 2 2ab
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: No