Information card for entry 9002699

Structure parameters

• Mineral name: Spessartine
• Formula: Al2 Mn3 O12 Si3
• Calculated formula: Al2 Mn3 O12 Si3
• Title of publication: The crystal structures of grossular and spessartine between 100 and 600 K and the crystal chemistry of grossular-spessartine solid solutions Sample: T = 648 K
• Authors of publication: Rodehorst, U.; Geiger, C. A.; Armbruster, T.
• Journal of publication: American Mineralogist
• Year of publication: 2002
• Journal volume: 87
• Pages of publication: 542 - 549
• a: 11.645 Å
• b: 11.645 Å
• c: 11.645 Å
• α: 90°
• β: 90°
• γ: 90°
• Cell volume: 1579.13 ų
• Ambient diffraction temperature: 648 K
• 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