Information card for entry 9001156

Structure parameters

• Mineral name: Beryl
• Formula: Al1.917 Be2.937 Fe0.092 Li0.03 Na0.067 O18 Si6.024
• Calculated formula: Al1.917 Be2.937 Fe0.092 Li0.03 Na0.067 O18 Si6.024
• Title of publication: Reappraisal of the crystal chemistry of beryl Sample: 12 Note: U(1,2) for Na altered to match symmetry constraints.
• Authors of publication: Aurisicchio, C.; Fioravanti, G.; Grubessi, O.; Zanazzi, P. F.
• Journal of publication: American Mineralogist
• Year of publication: 1988
• Journal volume: 73
• Pages of publication: 826 - 837
• a: 9.2202 Å
• b: 9.2202 Å
• c: 9.196 Å
• α: 90°
• β: 90°
• γ: 120°
• Cell volume: 677.034 ų
• Number of distinct elements: 7
• Space group number: 192
• Hermann-Mauguin space group symbol: P 6/m c c
• Hall space group symbol: -P 6 2c
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: No