Information card for entry 9010345

Structure parameters

• Mineral name: Spinel
• Formula: Al2 Mg O4
• Calculated formula: Al2 Mg O4
• Title of publication: Comparative compressibility and structural behavior of spinel MgAl2O4 at high pressures: the independency on the degree of cation order Locality: Sri Lanka Sample: P = 2.92 GPa, ordered
• Authors of publication: Nestola, F.; Boffa Ballaran, T.; Balic-Zunic T; Princivalle, F.; Secco, L.; Dal Negro, A.
• Journal of publication: American Mineralogist
• Year of publication: 2007
• Journal volume: 92
• Pages of publication: 1838 - 1843
• a: 8.0494 Å
• b: 8.0494 Å
• c: 8.0494 Å
• α: 90°
• β: 90°
• γ: 90°
• Cell volume: 521.543 ų
• Ambient diffracton pressure: 2920000 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