Hexagonal, Phase transitions, Rare earth, Ternary

• Mn-O-Y
• Al-Ni-Tb
• P-Pr-Ru
• Ho-Mn-O
• B-Ce-Co
• temperature for congruent melting
• fusion
• structural transitions
• temperature for structural transition
• decomposition
• ternary
• rare earth
• lanthanoid
• transitional