Information card for entry 9002405

Structure parameters

• Mineral name: Spinel
• Formula: Al1.972 Mg O4
• Calculated formula: Al1.972 Mg1.03 O4
• Title of publication: Cation ordering and structural variations with temperature in MgAl2O4 spinel: An X-ray single crystal study Sample: Z(O)=-1.6, neutral cations, quenched from T = 950 C for 1 day
• Authors of publication: Andreozzi, G. B.; Princivalle, F.; Skogby, H.; Della Giusta, A.
• Journal of publication: American Mineralogist
• Year of publication: 2000
• Journal volume: 85
• Pages of publication: 1164 - 1171
• a: 8.0837 Å
• b: 8.0837 Å
• c: 8.0837 Å
• α: 90°
• β: 90°
• γ: 90°
• Cell volume: 528.239 ų
• Sample thermal history: quenched from T = 950 C for 1 day
• 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