Al-Fe-Mg-O, Electrical conductivity

• Al-Fe-H-Mg-O-Si
• Al-Ca-Fe-Mg-O-Si
• Al-Ca-Fe-H-K-Mg-Na-O-Si-Ti
• Al-Ca-Fe-Mg-Na-O-Si
• Al-Fe-H-K-Mg-O-Si
• chalcogen
• transitional
• alkaline
• disordered
• monoclinic
• orthorhombic
• trigonal
• triclinic
• cubic