Information card for entry 1569815

Structure parameters

• Formula: Al24.24 B10.53 Ca0.74 F0.2 H10.08 Li2.27 Mn0.49 Na1.26 Oi93 Si16.47
• Calculated formula: Al18 B9 Ca2.064 F1.7628 H9 Li7.074 Mn1.926 Na0.936 Oi91.2372 Si18
• 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: 15.8345 ± 0.0002 Å
• b: 15.8345 ± 0.0002 Å
• c: 7.1039 ± 0.0001 Å
• α: 90°
• β: 90°
• γ: 120°
• Cell volume: 1542.54 ± 0.04 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: 0.0162
• Residual factor for significantly intense reflections: 0.0161
• Weighted residual factors for significantly intense reflections: 0.0402
• Weighted residual factors for all reflections included in the refinement: 0.0403
• Goodness-of-fit parameter for all reflections included in the refinement: 1.129
• Diffraction radiation wavelength: 0.71073 Å
• Diffraction radiation type: MoKα
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: No