Phase transitions, Quinary, Transitional, Trigonal

• F-Fe-H-O-Si
• F-H-Mg-O-Ti
• F-H-Mn-O-Si
• Mg-Nb-O-Pb-Ti
• Lu-Nb-O-Pb-Sc
• temperature for congruent melting
• fusion
• structural transitions
• temperature for structural transition
• decomposition
• transitional
• quinary
• chalcogen
• disordered