Information card for entry 9005809

Structure parameters

• Mineral name: Spinel
• Formula: Al2 Mg O4
• Calculated formula: Al2 Mg O4
• Title of publication: High-pressure crystal chemistry of spinel (MgAl2O4) and magnetite (Fe3O4): comparisons with silicate spinels Sample: P = 20 kbar
• Authors of publication: Finger, L. W.; Hazen, R. M.; Hofmeister, A. M.
• Journal of publication: Physics and Chemistry of Minerals
• Year of publication: 1986
• Journal volume: 13
• Pages of publication: 215 - 220
• a: 8.0638 Å
• b: 8.0638 Å
• c: 8.0638 Å
• α: 90°
• β: 90°
• γ: 90°
• Cell volume: 524.348 ų
• Ambient diffracton pressure: 2000000 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