Non-disordered, Transitional, Trioxoselenate, Phase transitions

• H-Mn-O-Se
• Hg-O-Se
• Fe-H-O-Se
• Co-H-O-Se
• Cu-O-Se
• fusion
• temperature for congruent melting
• decomposition
• decomposition temperature
• structural transitions
• transitional
• trioxoselenate
• non-disordered
• chalcogen
• monoclinic
• orthorhombic
• triclinic
• hexagonal
• trigonal