Ag2Nd
Stapf, I.Mulokozi, A.M.Gebhardt, E.
Journal of the Less-Common Metals (1978) 57, P39-P45
a=4.789Å b=4.789Å c=7.06Å
α=90° β=90° γ=120°
Ag2Pr
Gebhardt, E.Mulokozi, A.M.Stapf, I.
a=4.777Å b=4.777Å c=6.867Å