Information card for entry 9001159

Structure parameters

• Mineral name: Beryl
• Formula: Al2.009 Be2.595 Cs0.131 Li0.393 Na0.239 O18 Rb0.002 Si6.003
• Calculated formula: Al2.009 Be2.595 Cs0.131 Li0.393 Na0.239 O18 Rb0.002 Si6.003
• Title of publication: Reappraisal of the crystal chemistry of beryl Sample: 19 Note: U(1,2) for Na/Cs/Rb 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: 9.2155 Å
• b: 9.2155 Å
• c: 9.2291 Å
• α: 90°
• β: 90°
• γ: 120°
• Cell volume: 678.778 ų
• Number of distinct elements: 8
• 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