Chalcogen, Quinary, Fusion

• Al-H-Na-O-Si
• Al-Ca-H-O-Si
• C-Cu-H-N-O
• C-Cl-H-N-O
• C-H-N-Na-O
• temperature for congruent melting
• quinary
• chalcogen
• transitional
• disordered
• monoclinic
• orthorhombic
• cubic
• tetragonal
• trigonal