Alkali, Chalcogen, Transitional, Elastic stiffness coefficient

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