Fe-Mg-O, Mechanical properties, Mg-x polyhedra

• Fe-Mg-O-Si
• Al-Ca-Cr-Fe-Mg-Mn-Na-O-Si-Ti
• Al-Fe-H-Mg-O-Si
• Fe-H-Mg-O-Si
• elastic moduli
• isothermal bulk modulus
• compressibility
• elasticity
• elastic stiffness coefficient
• transitional
• chalcogen
• alkaline
• disordered
• monoclinic
• orthorhombic
• cubic
• trigonal
• triclinic