Alkali, Chalcogen, Disordered, Transitional, Fusion, Orthorhombic

• K-Nb-O-Ti
• Na-Nb-Nd-O
• K-Na-Nb-O
• Ca-Na-O-V
• Na-Nb-O-Sr-Ti
• temperature for congruent melting
• transitional
• alkali
• chalcogen
• disordered