AM_Samarium Formula: Sm Name: Samarium Unit cell: 3.621 3.621 26.25 90.0 90.0 120.0 , V=298.07 Space group: P63/MMC (194)

Spedding F H , Daane A H , Herrmann K W , Acta Crystallographica , 9 (1956) p.559-563, The crystal structures and lattice parameters of high-purity scandium,, yttrium and the rare earth metals, Locality: synthetic, Note: sample 99% pure