Chalcogen, Disordered, Oxide, Transitional, Temperature for congruent melting

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