Information card for entry 9012185

Structure parameters

• Mineral name: Tveitite-(Y)
• Formula: Ca6.5 F21.5 Y3
• Calculated formula: Ca6.5 F21.5 Y3
• Title of publication: The crystal structure of tveitite, an ordered yttrofluorite mineral Note: a and b adjusted to match reported bond lengths
• Authors of publication: Bevan, D. J. M.; Strahle, J.; Greis, O.
• Journal of publication: Journal of Solid State Chemistry
• Year of publication: 1982
• Journal volume: 44
• Pages of publication: 75 - 81
• a: 16.962 Å
• b: 16.962 Å
• c: 9.6664 Å
• α: 90°
• β: 90°
• γ: 120°
• Cell volume: 2408.52 ų
• Number of distinct elements: 3
• 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