Information card for entry 1010953

Structure parameters

• Chemical name: Sodium aluminate silicate *
• Mineral name: Carnegieite high
• Formula: Al Na O4 Si
• Calculated formula: Al Na O4 Si
• Title of publication: Silicate structures of the cristobalite type: III. Structural relationship of high-cristobalite, α-Carnegieite, and Na~2~SiO~4~
• Authors of publication: Barth, Tom F. W.; Posnjak, E.
• Journal of publication: Zeitschrift fuer Kristallographie, Kristallgeometrie, Kristallphysik, Kristallchemie (-144,1977)
• Year of publication: 1932
• Journal volume: 81
• Journal issue: 1
• Pages of publication: 376 - 385
• a: 7.37 ± 0.02 Å
• b: 7.37 ± 0.02 Å
• c: 7.37 ± 0.02 Å
• α: 90°
• β: 90°
• γ: 90°
• Cell volume: 400.3 ų
• Number of distinct elements: 4
• Space group number: 198
• Hermann-Mauguin space group symbol: P 21 3
• Hall space group symbol: P 2ac 2ab 3
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: No