Apatite, Rare earth, Phase transitions

• Ce-N-O-Si
• N-O-Si-Y
• La-O-Si
• Nd-O-Si
• Ca-La-Mn-O-Si
• fusion
• temperature for congruent melting
• phase diagram
• structural transitions
• rare earth
• apatite
• chalcogen
• lanthanoid
• hexagonal
• trigonal
• monoclinic