Information card for entry 9009432

Structure parameters

• Mineral name: Armstrongite
• Formula: Ca H4 O17 Si6 Zr
• Calculated formula: Ca H4 O17 Si6 Zr
• Title of publication: Crystal structure of armstrongite
• Authors of publication: Kashaev, A. A.; Sapozhnikov, A. N.
• Journal of publication: Kristallografiya
• Year of publication: 1978
• Journal volume: 23
• Pages of publication: 956 - 961
• a: 14.04 Å
• b: 14.16 Å
• c: 7.81 Å
• α: 90°
• β: 109.55°
• γ: 90°
• Cell volume: 1463.17 ų
• Number of distinct elements: 5
• Space group number: 5
• Hermann-Mauguin space group symbol: C 1 2 1
• Hall space group symbol: C 2y
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: No