Information card for entry 9005782

Structure parameters

• Mineral name: Ilvaite
• Formula: Ca Fe2.75 H Mn0.25 O9 Si2
• Calculated formula: Ca Fe2.75 H Mn0.25 O9 Si2
• Title of publication: A neutron powder diffraction study of the crystal and magnetic structures of ilvaite from 305 K to 5 K - a mixed valence iron silicate with an electronic transition Sample: T = 305 K
• Authors of publication: Ghose, S.; Hewat, A. W.; Marezio, M.
• Journal of publication: Physics and Chemistry of Minerals
• Year of publication: 1984
• Journal volume: 11
• Pages of publication: 67 - 74
• a: 13.0207 Å
• b: 8.8121 Å
• c: 5.8609 Å
• α: 90°
• β: 90.249°
• γ: 90°
• Cell volume: 672.472 ų
• Ambient diffraction temperature: 305 K
• Number of distinct elements: 6
• 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