Information card for entry 9000563

Structure parameters

• Mineral name: Kalsilite
• Formula: Al K O3.996 Si
• Calculated formula: Al K O3.996 Si
• Title of publication: The structure of KAlSiO4 with P6_3mc symmetry Note: natural sample of kalsilite was mixed with powdered KCl and heated, it tranformed to this phase
• Authors of publication: Dollase, W. A.; Freeborn, W. P.
• Journal of publication: American Mineralogist
• Year of publication: 1977
• Journal volume: 62
• Pages of publication: 336 - 340
• a: 5.153 Å
• b: 5.153 Å
• c: 8.682 Å
• α: 90°
• β: 90°
• γ: 120°
• Cell volume: 199.651 ų
• Number of distinct elements: 4
• Space group number: 186
• Hermann-Mauguin space group symbol: P 63 m c
• Hall space group symbol: P 6c -2c
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: No