Information card for entry 9001975

Structure parameters

• Mineral name: Hercynite
• Formula: Al2 Fe O4
• Calculated formula: Al2 Fe O4
• Title of publication: The temperature dependence of the cation distribution in synthetic hercynite (FeAl2O4) from in-situ neutron structure refinements Sample at T = 823 K
• Authors of publication: Harrison, R. J.; Redfern, S. A. T.; O'Neill H St C
• Journal of publication: American Mineralogist
• Year of publication: 1998
• Journal volume: 83
• Pages of publication: 1092 - 1099
• a: 8.18021 Å
• b: 8.18021 Å
• c: 8.18021 Å
• α: 90°
• β: 90°
• γ: 90°
• Cell volume: 547.386 ų
• Ambient diffraction temperature: 823 K
• Number of distinct elements: 3
• Space group number: 227
• Hermann-Mauguin space group symbol: F d -3 m :2
• Hall space group symbol: -F 4vw 2vw 3
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: No