Information card for entry 9010260

Structure parameters

• Mineral name: Spinel
• Formula: Al2 Mg O4
• Calculated formula: Al2 Mg O4
• Title of publication: High-pressure relations and crystal chemistry of calcium ferrite-type solid solutions in the system MgAl2O4-Mg2SiO4 Note: synthesized from MgAl2O4 spinel at 27 GPa and 2200 C Note: data collected at room conditinos
• Authors of publication: Kojitani, H.; Hisatomi, R.; Akaogi, M.
• Journal of publication: American Mineralogist
• Year of publication: 2007
• Journal volume: 92
• Pages of publication: 1112 - 1118
• a: 9.9498 Å
• b: 8.6468 Å
• c: 2.7901 Å
• α: 90°
• β: 90°
• γ: 90°
• Cell volume: 240.043 ų
• Sample thermal history: synthesized from MgAl2O4 spinel at 27 GPa and 2200 C
• Sample pressure history: synthesized from MgAl2O4 spinel at 27 GPa
• Number of distinct elements: 3
• Space group number: 62
• Hermann-Mauguin space group symbol: P b n m
• Hall space group symbol: -P 2c 2ab
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: No