Chalcogen, Disordered, Oxide, Temperature for congruent melting

• C-H-N-O
• La-Mn-O-Sr
• Ba-Cu-O-Y
• Li-O-V
• O-Ta
• oxide
• chalcogen
• disordered
• transitional
• cubic
• tetragonal
• orthorhombic
• monoclinic
• trigonal