Al-Mg-O, Chalcogen, Mg-x polyhedra, Thermal expansion

• Al-Fe-H-Mg-O-Si
• Al-H-Mg-O-Si
• Al-Mg-O-Si
• Al-Ca-Fe-H-K-Mg-Na-O-Si-Ti
• linear thermal expansion coefficient
• alkaline
• chalcogen
• disordered
• metalloid
• monoclinic
• cubic
• orthorhombic
• trigonal
• hexagonal