Information card for entry 9001088

Structure parameters

• Mineral name: Phenakite
• Formula: Be2 O4 Si
• Calculated formula: Be2 O4 Si
• Title of publication: An exploratory examination of the electron density and electrostatic potential of phenakite
• Authors of publication: Downs, J. W.; Gibbs, G. V.
• Journal of publication: American Mineralogist
• Year of publication: 1987
• Journal volume: 72
• Pages of publication: 769 - 777
• a: 12.472 Å
• b: 12.472 Å
• c: 8.251 Å
• α: 90°
• β: 90°
• γ: 120°
• Cell volume: 1111.5 ų
• Number of distinct elements: 3
• Space group number: 148
• Hermann-Mauguin space group symbol: R -3 :H
• Hall space group symbol: -R 3
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: No