Cordylite-(Ce) Giester G, Ni Y, Jarosch D, Hughes J M, Ronsbo J G, Yang Z, Zemann J American Mineralogist 83 (1998) 178-184 Cordylite-(Ce): A crystal chemical investigation of material from four localities, including type material Sample: from Narssarssuk, Greenland, determined by the Vienna group, refinement based on F2 _database_code_amcsd 0001964 5.1011 5.1011 23.096 90 90 120 P6_3/mmc atom x y z Uiso Ba 0 0 0 .016 Ce 1/3 2/3 .35385 .012 Na 1/3 2/3 3/4 .016 F 1/3 2/3 .25 .038 C1 0 0 .6780 .012 C2 2/3 1/3 .4333 .014 O1 .1448 .2896 .6763 .018 O2 .5218 .0436 .4347 .022