Information card for entry 1535818

Structure parameters

• Chemical name: K0.25 Na6 Al6.24 Si9.76 O32
• Formula: Al6.24 K0.25 Na6 O32 Si9.76
• Calculated formula: Al6.24 K0.25 Na6 O31.9998 Si9.76
• Title of publication: The crystal chemistry of silica-rich, alkali-deficient nepheline
• Authors of publication: Dollase, W.A.; Thomas, W.M.
• Journal of publication: Contributions to Mineralogy and Petrology (23,1969-)
• Year of publication: 1978
• Journal volume: 66
• Pages of publication: 311 - 318
• a: 9.974 Å
• b: 9.974 Å
• c: 8.36 Å
• α: 90°
• β: 90°
• γ: 120°
• Cell volume: 720.237 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