Information card for entry 5000231

Structure parameters

• Chemical name: Aluminium calcium potassium sodium silicate carbonate fluoride hydroxide hydrate *
• Mineral name: Carletonite
• Formula: Al0.11 Ca3.76 F0.41 H4.03 K0.882 Na3.65 O31.51 Si7.75
• Calculated formula: C4 H5.295 Al0.112 Ca3.76 F0.41 K0.882 Na3.658 O31.507 Si7.748
• Title of publication: The crystal structure of Carletonite, K Na4 Ca4 Si8 O18 (C O3)4 F.5 (O H).5) H2 O, a double-sheet silicate
• Authors of publication: Chao, G Y
• Journal of publication: American Mineralogist
• Year of publication: 1972
• Journal volume: 57
• Pages of publication: 765 - 778
• a: 13.178 ± 0.003 Å
• b: 13.178 Å
• c: 16.69499 ± 0.004 Å
• α: 90°
• β: 90°
• γ: 90°
• Cell volume: 2899.2 ų
• Number of distinct elements: 8
• Space group number: 127
• Hermann-Mauguin space group symbol: P 4/m b m
• Hall space group symbol: -P 4 2ab
• Residual factor for all reflections: 0.0368
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: No