wikipedia (It is a silvery-white, malleable and ductile rare-earth metal.)
Electronic configuration: 7 unpaired electrons in f shell. S = 7/2, L = 0, J=S and ground state term: 8S7/2 (where 2S+1XJ, X="S" for L=0, X="P" for L=1, X="D" for L=2, X="F" for L=3).
Magnetism: ferromagnet with Tc = 293.4 K
Our (MPMS, Ljubljana) zfc/fc measurement.