Information card for entry 1569814

Structure parameters

• Formula: Al8.08 B3.51 Ca0.25 F0.33 H3.36 Li0.76 Mn0.16 Na0.42 O31 Si5.49
• Calculated formula: Al6 B3 Ca0.33 F0.5948 H3 Li1.869 Mn1.131 Na0.67 O30.4052 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: 15.8839 ± 0.0002 Å
• b: 15.8839 ± 0.0002 Å
• c: 7.116 ± 0.0001 Å
• α: 90°
• β: 90°
• γ: 120°
• Cell volume: 1554.82 ± 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: 0.0176
• Residual factor for significantly intense reflections: 0.0175
• Weighted residual factors for significantly intense reflections: 0.0436
• Weighted residual factors for all reflections included in the refinement: 0.0437
• 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