Information card for entry 9002786

Structure parameters

• Mineral name: Hercynite
• Formula: Al1.99 Fe0.194 Mg0.816 O4
• Calculated formula: Al1.99 Fe0.194 Mg0.816 O4
• Title of publication: Intersite distribution of Fe2+ and Mg in the spinel (sensu stricto) - hercynite series by single-crystal X-ray diffraction Sample: He4a/c
• Authors of publication: Andreozzi, G. B.; Lucchesi, S.
• Journal of publication: American Mineralogist
• Year of publication: 2002
• Journal volume: 87
• Pages of publication: 1113 - 1120
• a: 8.1006 Å
• b: 8.1006 Å
• c: 8.1006 Å
• α: 90°
• β: 90°
• γ: 90°
• Cell volume: 531.559 ų
• Number of distinct elements: 4
• 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