Information card for entry 9016768

Structure parameters

• Mineral name: Lukechangite-(Ce)
• Formula: C4 Ce2 F Na3 O12
• Calculated formula: C8 Ce4 F2 Na6 O24
• Title of publication: Lukechangite-(Ce), a new rare-earth-fluorocarbonate mineral from Mont Saint-Hilaire, Quebec Note: U(1,2) for Na1, O1, O2 and F changed to match symmetry constraints. Note: U(2,3) for O2 changed to match symmetry constraints.
• Authors of publication: Grice, J. D.; Chao, G. Y.
• Journal of publication: American Mineralogist
• Year of publication: 1997
• Journal volume: 82
• Pages of publication: 1255 - 1260
• a: 5.0612 Å
• b: 5.0612 Å
• c: 22.82 Å
• α: 90°
• β: 90°
• γ: 120°
• Cell volume: 506.236 ų
• Number of distinct elements: 5
• Space group number: 194
• Hermann-Mauguin space group symbol: P 63/m m c
• Hall space group symbol: -P 6c 2c
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: No