Nonmetal, Optical absorption coefficient - wavelength diagram

• Ga-O-Tb
• Gd-Na-O-Tm-W
• Dy-Li-Nb-O
• Al-Ca-Nd-O
• Bi-Ge-O
• nonmetal
• chalcogen
• rare earth
• lanthanoid
• transitional
• cubic
• tetragonal
• monoclinic
• orthorhombic
• trigonal