Cell and atoms, Transitional, Fe-Mg-O-Si, Mg-x polyhedra

• Al-Fe-H-Mg-O-Si
• Al-F-Fe-H-K-Mg-Na-O-Si-Ti
• Ca-Fe-Mg-O-Si
• Fe-H-Mg-O-Si
• structural properties
• thermal and thermodynamic properties
• electronic and electrical properties
• Seebeck coefficient
• thermoelectric power
• metalloid
• alkaline
• chalcogen
• transitional
• monoclinic
• orthorhombic
• triclinic
• trigonal
• hexagonal