Information card for entry 9001795

Structure parameters

• Mineral name: Leucite
• Formula: Al K O6 Si2
• Calculated formula: Al0.99999 K O6 Si2.00001
• Title of publication: Structural behavior, crystal chemistry and phase transitions in substituted leucites: High-resolution neutron powder diffraction studies Sample: Natural, Expt. no. 3003, T = 298 K, KAlSi2O6
• Authors of publication: Palmer, D. C.; Dove, M. T.; Ibberson, R. M.; Powell, B. M.
• Journal of publication: American Mineralogist
• Year of publication: 1997
• Journal volume: 82
• Pages of publication: 16 - 29
• a: 13.05476 Å
• b: 13.05476 Å
• c: 13.75182 Å
• α: 90°
• β: 90°
• γ: 90°
• Cell volume: 2343.68 ų
• Ambient diffraction temperature: 298 K
• Number of distinct elements: 4
• Space group number: 88
• Hermann-Mauguin space group symbol: I 41/a :2
• Hall space group symbol: -I 4ad
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: No