Chalcogen, Deuterium, Non-disordered, Temperature for congruent melting

• H-N-O
• H-O
• H-K-O-P
• Al-H-O
• H-O-P-Rb
• deuterium
• non-disordered
• chalcogen
• quaternary
• monoclinic
• orthorhombic
• trigonal
• triclinic
• tetragonal