Cell and atoms, Chalcogen, Transitional, Phases

• Fe-H-O-P
• C-Cu-H-N-O
• O-V
• Fe-H-O-S
• S-Zn
• fusion
• temperature for congruent melting
• transitional
• chalcogen
• disordered
• oxide
• monoclinic
• orthorhombic
• cubic
• tetragonal
• trigonal