Information card for entry 9010980

Structure parameters

• Mineral name: Paracelsian
• Formula: Al2 Ba O8 Si2
• Calculated formula: Al2 Ba O8 Si2
• Title of publication: The crystal structure of paracelsian, BaAl2Si2O8
• Authors of publication: Smith, J. V.
• Journal of publication: Acta Crystallographica
• Year of publication: 1953
• Journal volume: 6
• Pages of publication: 613 - 620
• a: 9.076 Å
• b: 9.583 Å
• c: 8.578 Å
• α: 90°
• β: 90°
• γ: 90°
• Cell volume: 746.074 ų
• Number of distinct elements: 4
• Space group number: 62
• Hermann-Mauguin space group symbol: P n a m
• Hall space group symbol: -P 2c 2n
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: No