Alkali, Chalcogen, Disordered, Monoclinic, Phase transitions

• K-Na-Nb-O
• H-Na-O-Se
• Na-O-V
• Cs-H-O-P
• C-H-K-O
• temperature for congruent melting
• fusion
• structural transitions
• temperature for structural transition
• decomposition
• disordered
• alkali
• chalcogen
• transitional