AM_Terbium_1 Formula: Tb Name: Terbium Unit cell: 3.601 3.601 5.6936 90.0 90.0 120.0 , V=63.94 Space group: P63/MMC (194)

Wyckoff R W G , Crystal Structures , 1 (1963) p.7-83, Second edition. Interscience Publishers, New York, New York, Hexagonal closest packed, hcp, structure