Information card for entry 1569816

Structure parameters

• Formula: Al8.08 B3.51 Ca0.25 F0.07 H3.36 Li0.76 Mn0.16 Na0.42 Oi31 Si5.49
• Calculated formula: Al6 B3 Ca0.501 F0.5851 H3 Li1.977 Mn1.023 Na0.499 Oi30.415 Si6
• Title of publication: Compositional Variation and Crystal-Chemical Characterization of a Watermelon Variety of Tourmaline from Anjanabonoina, Central Madagascar
• Authors of publication: Rizzo, Floriana; Bosi, Ferdinando; Tempesta, Gioacchino; Agrosì, Giovanna
• Journal of publication: Crystals
• Year of publication: 2023
• Journal volume: 13
• Journal issue: 8
• Pages of publication: 1290
• a: 15.874 ± 0.0003 Å
• b: 15.874 ± 0.0003 Å
• c: 7.1138 ± 0.0001 Å
• α: 90°
• β: 90°
• γ: 120°
• Cell volume: 1552.41 ± 0.05 ų
• Cell temperature: 293 ± 2 K
• Ambient diffraction temperature: 293 ± 2 K
• Number of distinct elements: 10
• Space group number: 160
• Hermann-Mauguin space group symbol: R 3 m :H
• Hall space group symbol: R 3 -2"
• Residual factor for all reflections: 0.0168
• Residual factor for significantly intense reflections: 0.0168
• Weighted residual factors for significantly intense reflections: 0.0421
• Weighted residual factors for all reflections included in the refinement: 0.0421
• Goodness-of-fit parameter for all reflections included in the refinement: 1.124
• Diffraction radiation wavelength: 0.71073 Å
• Diffraction radiation type: MoKα
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: No