Bastnasite-(Ce) Ni Y, Hughes J M, Mariano A N American Mineralogist 78 (1993) 415-418 The atomic arrangement of bastnasite-(Ce), Ce(CO3)F, and structural elements of synchysite-(Ce), rontgenite-(Ce), and parisite-(Ce) _database_code_amcsd 0001553 7.1175 7.1175 9.7619 90 90 120 P-62c atom x y z Biso Ce .33941 0 0 .360 C .322 .290 .25 0.6 O1 .316 .109 .25 0.9 O2 .3245 .3828 .1354 1.0 F1 0 0 0 0.8 F2 2/3 1/3 .051 0.7