Alkaline, Chalcogen, Disordered, Nonmetal, Elastic stiffness coefficient

• Mg-O-Si
• Ba-K-N-O
• Ba-Na-Nb-O
• Ca-Mg-O-Si
• Ba-O-Ti
• nonmetal
• alkaline
• disordered
• chalcogen
• non-disordered
• tetragonal
• orthorhombic
• cubic
• trigonal
• monoclinic