Information card for entry 9007446

Structure parameters

• Mineral name: Grossite
• Formula: Al4 Ca O7
• Calculated formula: Al4 Ca O7
• Title of publication: The optical properties and structures of CaO*2Al2O3 and SrO*2Al2O3
• Authors of publication: Boyko, E. R.; Wisnyi, L. G.
• Journal of publication: Acta Crystallographica
• Year of publication: 1958
• Journal volume: 11
• Pages of publication: 444 - 445
• a: 12.89 Å
• b: 8.88 Å
• c: 5.45 Å
• α: 90°
• β: 107.05°
• γ: 90°
• Cell volume: 596.407 ų
• Number of distinct elements: 3
• Space group number: 15
• Hermann-Mauguin space group symbol: C 1 2/c 1
• Hall space group symbol: -C 2yc
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: No