Information card for entry 9001818

Structure parameters

• Mineral name: Kalsilite
• Formula: Al K O4 Si
• Calculated formula: Al K O4 Si
• Title of publication: Natural kalsilite, KAlSiO4, with P31c symmetry: Crystal structure and twinning
• Authors of publication: Cellai, D.; Bonazzi, P.; Carpenter, M. A.
• Journal of publication: American Mineralogist
• Year of publication: 1997
• Journal volume: 82
• Pages of publication: 276 - 279
• a: 5.157 Å
• b: 5.157 Å
• c: 8.706 Å
• α: 90°
• β: 90°
• γ: 120°
• Cell volume: 200.513 ų
• Number of distinct elements: 4
• Space group number: 159
• Hermann-Mauguin space group symbol: P 3 1 c
• Hall space group symbol: P 3 -2c
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: No