Metal, Rare earth, Murs

• P-Ru-Sm
• Ba-Cu-La-O
• B-Yb
• Rh-Si-Yb
• As-Fe-O-P-Sm
• metal
• rare earth
• lanthanoid
• transitional
• non-disordered
• cubic
• tetragonal
• orthorhombic
• hexagonal
• monoclinic