Alkali, Cl-Na-O, Temperature for congruent melting

• Cl-H-Na-O
• C-Cl-H-N-Na-O
• Al-Cl-Na-O-Si
• Al-C-Ca-Cl-K-Na-O-S-Si
• halogen
• chalcogen
• alkali
• chloride
• hexagonal
• monoclinic
• cubic
• tetragonal
• orthorhombic