Information card for entry 9014115

Structure parameters

• Mineral name: Arisite-(La)
• Formula: C2.63 Ca0.14 Ce0.84 F1.72 La0.9 Na Nd0.08 O7.89 Pr0.02 Sm0.02
• Calculated formula: C2.63 Ca0.14 Ce0.84 F1.72 La0.9 Na Nd0.08 O7.89 Pr0.02 Sm0.02
• Title of publication: Arisite-(La), a new REE-fluorcarbonate mineral from the Aris phonolite (Namibia), with descriptions of the crystal structures of arisite-(La) and arisite-(Ce) Note: x-coordinate of O1 adjusted to special position
• Authors of publication: Piilonen, P. C.; McDonald, A. M.; Grice, J. D.; Cooper, M. A.; Kolitsch, U.; Rowe, R.; Gault, R. A.; Poirier, G.
• Journal of publication: Mineralogical Magazine
• Year of publication: 2010
• Journal volume: 74
• Pages of publication: 257 - 268
• a: 5.1131 Å
• b: 5.1131 Å
• c: 8.6759 Å
• α: 90°
• β: 90°
• γ: 120°
• Cell volume: 196.433 ų
• Number of distinct elements: 10
• Space group number: 187
• Hermann-Mauguin space group symbol: P -6 m 2
• Hall space group symbol: P -6 2
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: No