Birefringent, Transitional, Refractive index

• Cl-Rb-Zn
• Ba-Na-Nb-O
• Ag-Ga-S
• Cl-Cs-Hg
• Ga-La-O-Si
• birefringence
• values of refractive index
• ordinary refractive index
• extraordinary refractive index
• birefringent
• transitional
• nonmetal
• non-disordered
• chalcogen
• orthorhombic
• tetragonal
• trigonal
• monoclinic
• cubic