Alkali, Carobbiite, Halogen

• F-K
• Ca-F-K-Sr
• F-K-Na-Sr
• F-K-Li-Sr
• Ba-F-K-Sr
• phase transitions
• phase diagram
• optical properties
• mechanical properties
• rocksalt
• halogen
• carobbiite
• alkali
• fluoride
• cubic
• orthorhombic
• monoclinic
• hexagonal
• trigonal