Birefringent, Non-disordered, Nonmetal, Trigonal

• Ni-O
• C-Ca-O
• B-Ba-O
• O-Pb-Zr
• C-Mg-O
• electronic and electrical properties
• structural properties
• optical properties
• thermal and thermodynamic properties
• magnetic properties
• non-disordered
• birefringent
• nonmetal
• chalcogen
• transitional