Information card for entry 9014740

Structure parameters

• Mineral name: Cuspidine
• Formula: Ca4 F2 O7 Si2
• Calculated formula: Ca4 F2 O7 Si2
• Title of publication: The refinement of the crystal structure of cuspidine
• Authors of publication: Saburi, S.; Kawahara, A.; Henmi, C.; Kusachi, I.; Kihara, K.
• Journal of publication: Mineralogical Journal
• Year of publication: 1977
• Journal volume: 8
• Pages of publication: 286 - 298
• a: 7.518 Å
• b: 10.521 Å
• c: 10.906 Å
• α: 90°
• β: 70.7°
• γ: 90°
• Cell volume: 814.152 ų
• Number of distinct elements: 4
• Space group number: 14
• Hermann-Mauguin space group symbol: P 1 21/c 1
• Hall space group symbol: -P 2ybc
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: No