F-Mg, Fusion, Halogen

• Ba-F-Mg
• F-H-Mg-O-Si
• F-K-Mg-Na
• F-Mg-Na
• temperature for congruent melting
• halogen
• alkaline
• fluoride
• disordered
• monoclinic
• orthorhombic
• cubic
• tetragonal
• trigonal