Birefringent, Disordered, Non-disordered, Nonmetal, Trigonal

• Ni-O
• Li-Nb-O
• C-Ca-O
• C-Mg-O
• Ce-F
• structural properties
• optical properties
• electronic and electrical properties
• magnetic properties
• thermal and thermodynamic properties
• nonmetal
• birefringent
• disordered
• non-disordered
• chalcogen