AM_Bastnasite-(La)
Formula: (La.5 Ce.5) F O2
Name: Bastnasite-(La)
Unit cell: 7.094 7.094 9.718 90.0 90.0 120.0 , V=423.54
Space group: P-62C (190)

Oftedal I , Zeitschrift fur Kristallographie , 78 (1931) p.462-469, Zur kristallstruktur von bastnasit (Ce,La--)FCO3, Locality: Western Cheyenne Canyon, Colorado, USA, Note: positions of C and at least one O undetermined