Information card for entry 9000517

Structure parameters

• Mineral name: Scapolite
• Formula: C0.5 Al4 Ca1.5 Cl0.5 Na2.5 O25.5 Si8
• Calculated formula: C0.5 Al4 Ca1.5 Cl0.5 Na2.5 O25.5 Si8
• Title of publication: Scapolite crystal chemistry: Aluminum-silicon distributions, carbonate group disorder, and thermal expansion after heating
• Authors of publication: Levien, L.; Papike, J. J.
• Journal of publication: American Mineralogist
• Year of publication: 1976
• Journal volume: 61
• Pages of publication: 864 - 877
• a: 12.082 Å
• b: 12.082 Å
• c: 7.576 Å
• α: 90°
• β: 90°
• γ: 90°
• Cell volume: 1105.91 ų
• Number of distinct elements: 7
• Space group number: 86
• Hermann-Mauguin space group symbol: P 42/n :2
• Hall space group symbol: -P 4bc
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: No