Information card for entry 9010021

Structure parameters

• Mineral name: Paracelsian
• Formula: Al2 Ba O8 Si2
• Calculated formula: Al2 Ba O8 Si2
• Title of publication: Two independent refinements of the structure of paracelsian, BaAl2Si2O8 Sample: CG refinement
• Authors of publication: Chiari, G.; Gazzoni, G.; Craig, J. R.; Gibbs, G. V.; Louisnathan, S. J.
• Journal of publication: American Mineralogist
• Year of publication: 1985
• Journal volume: 70
• Pages of publication: 969 - 974
• a: 9.072 Å
• b: 9.588 Å
• c: 8.577 Å
• α: 90°
• β: 90.21°
• γ: 90°
• Cell volume: 746.042 ų
• Number of distinct elements: 4
• Space group number: 14
• Hermann-Mauguin space group symbol: P 1 21/a 1
• Hall space group symbol: -P 2yab
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: No