Birefringent, Optical properties, Orthorhombic

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