Non-disordered, Trioxoselenate, Temperature for congruent melting

• H-Mn-O-Se
• Fe-H-O-Se
• Cu-O-Se
• Hg-O-Se
• Co-H-O-Se
• non-disordered
• trioxoselenate
• chalcogen
• transitional
• monoclinic
• orthorhombic
• triclinic
• hexagonal
• trigonal