Birefringent, Chalcogen, Disordered, Nonmetal, Trigonal

• Ni-O
• Li-Nb-O
• Ga-La-O-Si
• C-Ca-O
• C-Mg-O
• optical properties
• structural properties
• electronic and electrical properties
• thermal and thermodynamic properties
• mechanical properties
• disordered
• nonmetal
• chalcogen
• birefringent
• transitional