Information card for entry 9007717

Structure parameters

• Mineral name: Combeite
• Formula: Ca2 Na2 O9 Si3
• Calculated formula: Ca2 Na2 O9 Si3
• Title of publication: Structure of Na4Ca4[Si6O18]
• Authors of publication: Ohsato, H.; Takeuchi, Y.; Maki, I.
• Journal of publication: Acta Crystallographica, Section C
• Year of publication: 1986
• Journal volume: 42
• Pages of publication: 934 - 937
• a: 10.464 Å
• b: 10.464 Å
• c: 13.168 Å
• α: 90°
• β: 90°
• γ: 120°
• Cell volume: 1248.67 ų
• Number of distinct elements: 4
• Space group number: 152
• Hermann-Mauguin space group symbol: P 31 2 1
• Hall space group symbol: P 31 2"
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: No