Information card for entry 9009728

Structure parameters

• Mineral name: Kalsilite
• Formula: Al K O4 Si
• Calculated formula: Al K O4.00002 Si
• Title of publication: The crystal structure of high temperature form of kalsilite (KAlSiO4) at 950 C Note: B(1,2)'s corrected to obey symmetry restrictions Note: Synthetic sample Note: x(O1) adjusted to match reported bond lengths
• Authors of publication: Kawahara, A.; Andou, Y.; Marumo, F.; Okuno, M.
• Journal of publication: Mineralogical Journal
• Year of publication: 1987
• Journal volume: 13
• Pages of publication: 260 - 270
• a: 5.3 Å
• b: 5.3 Å
• c: 8.65 Å
• α: 90°
• β: 90°
• γ: 120°
• Cell volume: 210.426 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