Information card for entry 9013314

Structure parameters

• Mineral name: Nepheline
• Formula: Al3.84 K0.57 Na3.24 O16 Si4.16
• Calculated formula: Al3.84 K0.57 Na3.24 O16 Si4.16
• Title of publication: The mechanism of coupling in the modulated structure of nepheline Note: annealed Note: T = 220 K
• Authors of publication: Angel, R. J.; Gatta, G. C.; Boffa Ballaran, T.; Carpenter, M. A.
• Journal of publication: The Canadian Mineralogist
• Year of publication: 2008
• Journal volume: 46
• Pages of publication: 1465 - 1476
• a: 9.9751 Å
• b: 9.9751 Å
• c: 8.3658 Å
• α: 90°
• β: 90°
• γ: 120°
• Cell volume: 720.896 ų
• Ambient diffraction temperature: 220 K
• Sample thermal history: annealed Note: T = 220 K
• Number of distinct elements: 5
• Space group number: 173
• Hermann-Mauguin space group symbol: P 63
• Hall space group symbol: P 6c
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: No