Information card for entry 9012223

Structure parameters

• Mineral name: Columbite-(Mg)
• Formula: Mg Nb2 O6
• Calculated formula: Mg Nb2 O6
• Title of publication: Crystal structure refinement of Mg Nb2 O6 columbite from neutron powder diffraction data and study of the ternary system MgO-Nb2O5-NbO, with evidence of formation of new reduced pseudobrookite Mg5-xNb4+xO15-d (1.14<x<1.60) phases Locality: synthetic Note: reported and calculated Biso(O2)'s do not match
• Authors of publication: Pagola, S.; Carbonio, R. E.; Alonso, J. A.; Fernandez-Diaz M T
• Journal of publication: Journal of Solid State Chemistry
• Year of publication: 1997
• Journal volume: 134
• Pages of publication: 76 - 84
• a: 14.1875 Å
• b: 5.7001 Å
• c: 5.0331 Å
• α: 90°
• β: 90°
• γ: 90°
• Cell volume: 407.028 ų
• Number of distinct elements: 3
• Space group number: 60
• Hermann-Mauguin space group symbol: P b c n
• Hall space group symbol: -P 2n 2ab
• Duplicate of: 9012222
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: No