H-W, Hydrate, Oxide, Phase transitions

• H-Na-O-W
• H-O-W
• H-Na-O-P-W
• H-K-Na-O-W
• H-K-O-Si-W
• fusion
• temperature for congruent melting
• decomposition
• decomposition temperature
• transitional
• hydrate
• chalcogen
• oxide
• triclinic
• monoclinic
• orthorhombic
• cubic
• tetragonal