Information card for entry 1540848

Structure parameters

• Chemical name: Fe (Nb1.54 Ta.46) O6
• Formula: Fe Nb1.54 O6 Ta0.46
• Calculated formula: Fe Nb1.54 O6 Ta0.46
• Title of publication: Columbite (Fe,Mn)(Nb,Ta)2O6 in the pegmatites of the calc-alkine Bergell intrusion (southeast Central Alps)
• Authors of publication: Wenger, M.; Armbruster, T.
• Journal of publication: Schweizerische Mineralogische und Petrographische Mitteilungen
• Year of publication: 1991
• Journal volume: 71
• Pages of publication: 349 - 369
• a: 14.317 Å
• b: 5.74 Å
• c: 5.067 Å
• α: 90°
• β: 90°
• γ: 90°
• Cell volume: 416.404 ų
• Number of distinct elements: 4
• 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