Chalcogen, O-V, Phase transitions

• Na-O-V
• Fe-O-V
• Cr-O-V
• Bi-O-V
• temperature for congruent melting
• fusion
• structural transitions
• temperature for structural transition
• transitional
• chalcogen
• oxide
• non-disordered
• monoclinic
• orthorhombic
• tetragonal
• cubic
• trigonal