Na-S, Quinary, Temperature for congruent melting

• Fe-H-Na-O-S
• H-Na-O-S-U
• H-Mg-Na-O-S
• H-Na-O-P-S
• Al-H-Na-O-S
• chalcogen
• alkali
• quinary
• non-disordered
• monoclinic
• orthorhombic
• triclinic
• trigonal
• hexagonal