Information card for entry 9007701

Structure parameters

• Mineral name: Spessartine
• Formula: Al2 Mn3 O12 Si3
• Calculated formula: Al2 Mn3 O12 Si3
• Title of publication: Atomic displacement parameters for spessartine Mn3Al2Si3O12 and their lattice-dynamical interpretation
• Authors of publication: Gramaccioli, C. M.; Pilati, T.; Demartin, F.
• Journal of publication: Acta Crystallographica, Section B
• Year of publication: 2002
• Journal volume: 58
• Journal issue: 6
• Pages of publication: 965 - 969
• a: 11.63 Å
• b: 11.63 Å
• c: 11.63 Å
• α: 90°
• β: 90°
• γ: 90°
• Cell volume: 1573.04 ų
• Number of distinct elements: 4
• Space group number: 230
• Hermann-Mauguin space group symbol: I a -3 d
• Hall space group symbol: -I 4bd 2c 3
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: No