Information card for entry 9000981

Structure parameters

• Mineral name: Ilvaite
• Formula: Ca Fe3 H O9 Si2
• Calculated formula: Ca Fe3 H O9 Si2
• Title of publication: Electron ordering in ilvaite, a mixed-valence iron silicate: crystal structure refinement at 138 K Sample: T = 138 K
• Authors of publication: Ghose, S.; Sen Gupta, P. K.; Schlemper, E. O.
• Journal of publication: American Mineralogist
• Year of publication: 1985
• Journal volume: 70
• Pages of publication: 1248 - 1252
• a: 13.008 Å
• b: 8.784 Å
• c: 5.836 Å
• α: 90°
• β: 90.21°
• γ: 90°
• Cell volume: 666.83 ų
• Ambient diffraction temperature: 138 K
• Number of distinct elements: 5
• Space group number: 14
• Hermann-Mauguin space group symbol: P 1 21/a 1
• Hall space group symbol: -P 2yab
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: No