Birefringent, Nonmetal, Optical properties, Orthorhombic

• Cl-Rb-Zn
• Gd-Mo-O
• Ba-Na-Nb-O
• Cu-Li-O
• Ba-Mo-O-Te
• refractive index
• birefringence
• phonons
• values of refractive index
• nonmetal
• birefringent
• non-disordered
• transitional
• chalcogen