Alkali, Non-disordered, Ternary, Transitional, Fusion

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