Disordered, O-Si, Values of electronic energy gap

• Al-H-Na-O-Si
• Al-H-Mg-O-Si
• Al-Ca-H-O-Si
• Al-Na-O-Si
• Al-K-O-Si
• metalloid
• disordered
• chalcogen
• silicate
• monoclinic
• hexagonal
• orthorhombic
• cubic
• tetragonal