Information card for entry 9012665

Structure parameters

• Mineral name: Tveitite
• Formula: Ca9.434 F41.06 Ho0.48 Na1.958 Nd0.954 Y5.298
• Calculated formula: Ca9.434 F41.06 Ho0.48 Na1.958 Nd0.954 Y5.298
• Title of publication: Crystal structure of tveitite-(Y): fractionation of rare-earth elements between positions and the variety of defects
• Authors of publication: Yakubovich, O. V.; Massa, W.; Pekov, I. V.; Gavrilenko, P. G.
• Journal of publication: Crystallography Reports
• Year of publication: 2007
• Journal volume: 52
• Pages of publication: 71 - 79
• a: 17.02 Å
• b: 17.02 Å
• c: 9.679 Å
• α: 90°
• β: 90°
• γ: 120°
• Cell volume: 2428.18 ų
• Number of distinct elements: 6
• Space group number: 148
• Hermann-Mauguin space group symbol: R -3 :H
• Hall space group symbol: -R 3
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: No