Information card for entry 9002109

Structure parameters

• Mineral name: Spinel
• Formula: Al2 Mg O4
• Calculated formula: Al2 Mg O4
• Title of publication: Thermodynamics and kinetics of cation ordering in MgAl2O4 spinel up to 1600 C from in situ neutron diffraction Data collected at IPNS, Argonne National Laboratory, T = 1116 K on heating cycle, Mg.99Al2O4
• Authors of publication: Redfern, S. A. T.; Harrison, R. J.; O'Neill H St C; Wood, D. R. R.
• Journal of publication: American Mineralogist
• Year of publication: 1999
• Journal volume: 84
• Pages of publication: 299 - 310
• a: 8.14757 Å
• b: 8.14757 Å
• c: 8.14757 Å
• α: 90°
• β: 90°
• γ: 90°
• Cell volume: 540.859 ų
• Ambient diffraction temperature: 1116 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