Information card for entry 9000990

Structure parameters

• Mineral name: Beryl
• Formula: Al2.15 Be2.58 Ca0.02 Cs0.09 Fe0.01 H2 K0.05 Li0.39 Mg0.02 Na0.21 O18.55 Si5.88
• Calculated formula: Al2.15 Be2.58 Ca0.02 Cs0.09 Fe0.01 H1.1 K0.05 Li0.39 Mg0.02 Na0.21 O18.55 Si5.88
• Title of publication: High-temperature structure and crystal chemistry of hydrous alkali-rich beryl from the Harding pegmatite, Taos County, New Mexico Sample: T = 500 deg C
• Authors of publication: Brown, G. E.; Mills, B. A.
• Journal of publication: American Mineralogist
• Year of publication: 1986
• Journal volume: 71
• Pages of publication: 547 - 556
• a: 9.251 Å
• b: 9.251 Å
• c: 9.26 Å
• α: 90°
• β: 90°
• γ: 120°
• Cell volume: 686.308 ų
• Ambient diffraction temperature: 773.15 K
• Number of distinct elements: 12
• 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