Alkali, Disordered, Transitional, Elastic stiffness coefficient

• Ba-Na-Nb-O
• K-O-P-Ti
• O-P-Rb-Ti
• Li-Nb-O
• Fe-Na-O-Si
• disordered
• alkali
• transitional
• nonmetal
• chalcogen
• orthorhombic
• tetragonal
• cubic
• trigonal
• monoclinic