Alkali, Chalcogen, Non-disordered, Transitional, Fusion

• Na-O-V
• Na-Nb-O
• Mn-Na-O
• K-O-V
• Co-Na-O
• temperature for congruent melting
• non-disordered
• transitional
• chalcogen
• alkali
• monoclinic
• orthorhombic
• triclinic
• trigonal
• tetragonal