Information card for entry 9007711

Structure parameters

• Mineral name: Combeite
• Formula: Ca1.543 Na2.914 O9 Si3
• Calculated formula: Ca1.5435 Na2.9145 O9 Si3
• Title of publication: Structure of Na2CaSi2O6
• Authors of publication: Ohsato, H.; Maki, I.; Takeuchi, Y.
• Journal of publication: Acta Crystallographica, Section C
• Year of publication: 1985
• Journal volume: 41
• Pages of publication: 1575 - 1577
• a: 10.5 Å
• b: 10.5 Å
• c: 13.184 Å
• α: 90°
• β: 90°
• γ: 120°
• Cell volume: 1258.8 ų
• Number of distinct elements: 4
• Space group number: 166
• Hermann-Mauguin space group symbol: R -3 m :H
• Hall space group symbol: -R 3 2"
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: No