Information card for entry 9003746

Structure parameters

• Mineral name: Manganocolumbite
• Formula: Ca0.009 Fe0.141 Mn0.783 Nb1.775 O6 Ta0.178 Ti0.032
• Calculated formula: Ca0.009 Fe0.141 Mn0.783 Nb1.775 O6 Ta0.178 Ti0.032
• Title of publication: Mixing and ordering behavior in manganocolumbite-ferrocolumbite solid solution: A single-crystal X-ray diffraction study Sample: KRA n4 Qm=0.922 from Kragero, Norway Sample: Annealed at T = 700 C for t = 20 m Note: Occupancies calculated assuming complete Fe/Mn disorder
• Authors of publication: Tarantino S C; Zema M
• Journal of publication: American Mineralogist
• Year of publication: 2005
• Journal volume: 90
• Pages of publication: 1291 - 1300
• a: 14.38 Å
• b: 5.745 Å
• c: 5.088 Å
• α: 90°
• β: 90°
• γ: 90°
• Cell volume: 420.335 ų
• Sample thermal history: Annealed at T = 700 C for t = 20 m
• Number of distinct elements: 7
• Space group number: 60
• Hermann-Mauguin space group symbol: P b c n
• Hall space group symbol: -P 2n 2ab
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: No