Information card for entry 9001950

Structure parameters

• Mineral name: Nepheline
• Formula: Al Na O4 Si
• Calculated formula: Al Na O4 Si
• Title of publication: Crystal structure of hexagonal trinepheline - A new synthetic NaAlSiO4 modification
• Authors of publication: Kahlenberg, V.; Bohm, H.
• Journal of publication: American Mineralogist
• Year of publication: 1998
• Journal volume: 83
• Pages of publication: 631 - 637
• a: 9.995 Å
• b: 9.995 Å
• c: 24.797 Å
• α: 90°
• β: 90°
• γ: 120°
• Cell volume: 2145.34 ų
• Number of distinct elements: 4
• Space group number: 169
• Hermann-Mauguin space group symbol: P 61
• Hall space group symbol: P 61
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: No