Information card for entry 9000287

Structure parameters

• Mineral name: Nepheline
• Formula: Al3.6 K Na3 O15.999 Si4.4
• Calculated formula: Al3.6 K Na3 O15.999 Si4.4
• Title of publication: Refinement of the crystal structure of a volcanic nepheline
• Authors of publication: Simmons, W. B.; Peacor, D. R.
• Journal of publication: American Mineralogist
• Year of publication: 1972
• Journal volume: 57
• Pages of publication: 1711 - 1719
• a: 10.003 Å
• b: 10.003 Å
• c: 8.381 Å
• α: 90°
• β: 90°
• γ: 120°
• Cell volume: 726.251 ų
• 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