Information card for entry 9001777

Structure parameters

• Mineral name: Na6Si3[Si9O27]
• Formula: Na2 O9 Si4
• Calculated formula: Na2 O9 Si4
• Title of publication: Sodium tetrasilicate: A complex high-pressure framework silicate (Na6Si3[Si9O27])
• Authors of publication: Fleet, M. E.
• Journal of publication: American Mineralogist
• Year of publication: 1996
• Journal volume: 81
• Pages of publication: 1105 - 1110
• a: 10.875 Å
• b: 9.326 Å
• c: 19.224 Å
• α: 90°
• β: 90.18°
• γ: 90°
• Cell volume: 1949.69 ų
• Number of distinct elements: 3
• Space group number: 14
• Hermann-Mauguin space group symbol: P 1 21/n 1
• Hall space group symbol: -P 2yn
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: No