Cell and atoms, Quaternary, Fusion

• C-H-N-O
• Fe-H-O-P
• H-N-O-P
• H-Na-O-P
• Al-Na-O-Si
• temperature for congruent melting
• quaternary
• chalcogen
• transitional
• disordered
• monoclinic
• orthorhombic
• cubic
• tetragonal
• trigonal