Information card for entry 1530074

Structure parameters

• Chemical name: Si12 Be5.22 Al4 O36 Na0.66 Cs0.30 (H2 O)1.32
• Formula: Al4 Be5.22 Cs0.3 H2.64 Na0.66 O37.32 Si12
• Calculated formula: Al4 Be5.22 Cs0.3 Na0.66 O37.32 Si12
• Title of publication: The alkali-metal positions in Cs-Li beryl
• Authors of publication: Hawthorne, F.C.; Cerny, P.
• Journal of publication: Canadian Mineralogist
• Year of publication: 1977
• Journal volume: 15
• Pages of publication: 414 - 421
• a: 9.212 Å
• b: 9.212 Å
• c: 9.236 Å
• α: 90°
• β: 90°
• γ: 120°
• Cell volume: 678.77 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