Cell and atoms, Chalcogen, Enthalpy of formation, Fe-Mg

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