F-K, Halogen, Phase transitions, Tetragonal

• F-K-Mn
• F-K-Mo-O
• F-Fe-K
• F-K-Mn-Rb
• F-K-O-W
• fusion
• temperature for congruent melting
• structural transitions
• temperature for structural transition
• pressure for structural transition
• halogen
• alkali
• fluoride
• transitional