Information card for entry 9012687

Structure parameters

• Mineral name: Parakeldyshite
• Formula: Na2 O7 Si2 Zr
• Calculated formula: Na2 O7 Si2 Zr
• Title of publication: Crystal structure of a new natural modification of Na2Zr[Si2O7]
• Authors of publication: Voronkov, A. A.; Shumyatskaya, N. G.; Pyatenko, Y. A.
• Journal of publication: Journal of Structural Chemistry
• Year of publication: 1970
• Journal volume: 11
• Pages of publication: 866 - 867
• a: 6.66 Å
• b: 8.83 Å
• c: 5.42 Å
• α: 92.75°
• β: 94.25°
• γ: 72.33°
• Cell volume: 302.756 ų
• Number of distinct elements: 4
• Space group number: 2
• Hermann-Mauguin space group symbol: P -1
• Hall space group symbol: -P 1
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: No