F-K-Mn, F-x polyhedra, Phase transitions

• F-K-Mn-Rb
• Cs-F-K-Mn
• Co-F-K-Mn
• F-Fe-K-Mn
• structural transitions
• temperature for congruent melting
• fusion
• temperature for structural transition
• pressure for structural transition
• transitional
• halogen
• alkali
• fluoride
• non-disordered
• cubic
• tetragonal
• orthorhombic
• monoclinic
• triclinic