Alkaline, Cell and atoms, Debye or einstein temperature, H-Mg-O-Si

• Al-H-Mg-O-Si
• Al-Fe-H-Mg-O-Si
• Fe-H-Mg-O-Si
• H-Mg-Na-O-Si
• chalcogen
• metalloid
• alkaline
• disordered
• monoclinic
• orthorhombic
• trigonal
• triclinic
• hexagonal