Information card for entry 1570107

Structure parameters

• Common name: (Na1.72Sr0.70Mg0.56Ca0.01)(Sr1.32Ba0.68)(Al9.82Mg0.18)P3.99O16F16.21(OH)9.79
• Mineral name: gunmaite
• Formula: Al9.82 Ba0.68 Ca0.01 F16.21 H9.79 Mg0.74 Na1.72 O25.79 P3.99 Sr2.02
• Calculated formula: Al10 Ba0.68 F14 H12 Mg0.57 Na1.65 O28 P4 Sr2.01
• Title of publication: Kiryuite and gunmaite, two new minerals from Tsukubara, Kiryu City, Gunma Prefecture, Japan
• Authors of publication: Nishio-Hamane, D.; Yajima, T.; Ikari, I.; Ohki, Y.; Hori, H.; Ohara, Y.
• Journal of publication: Journal of Mineralogical and Petrological Sciences
• Year of publication: 2023
• Pages of publication: 1 - 12
• a: 6.9972 ± 0.0002 Å
• b: 6.9972 ± 0.0002 Å
• c: 50.27 ± 0.002 Å
• α: 90°
• β: 90°
• γ: 120°
• Cell volume: 2131.51 ± 0.12 ų
• Ambient diffraction temperature: 298 K
• Ambient diffracton pressure: 100 kPa
• Number of distinct elements: 10
• Space group number: 166
• Hermann-Mauguin space group symbol: R -3 m :H
• Hall space group symbol: -R 3 2"
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: No