Information card for entry 9003480

Structure parameters

• Mineral name: Spinel
• Formula: Al2 Mg O4
• Calculated formula: Al2 Mg O4
• Title of publication: Study of cation order-disorder in MgAl2O4 spinel by in situ neutron diffraction up to 1600 K and 3.2 GPa Sample at T = 549 K and P = 0.4 GPa, inversion parameter x = .262
• Authors of publication: Meducin, F.; Redfern, S. A. T.; Le Godec, Y.; Stone, H. J.; Tucker, M. G.; Dove, M. T.; Marshall, W. G.
• Journal of publication: American Mineralogist
• Year of publication: 2004
• Journal volume: 89
• Pages of publication: 981 - 986
• a: 8.0727 Å
• b: 8.0727 Å
• c: 8.0727 Å
• α: 90°
• β: 90°
• γ: 90°
• Cell volume: 526.086 ų
• Ambient diffraction temperature: 549 K
• Ambient diffracton pressure: 400000 kPa
• 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