Alkali, Chalcogen, Fusion, Na-O-V

• H-Na-O-V
• Na-O-P-V
• F-Na-O-P-V
• Na-O-S-V
• temperature for congruent melting
• transitional
• alkali
• chalcogen
• disordered
• monoclinic
• cubic
• triclinic
• orthorhombic
• trigonal