Cubic, Fe-Mg-O, Y-x polyhedra

• Al-Ca-Fe-Mg-Mn-O-Si
• Al-Ca-Fe-H-Mg-Mn-Na-O-Si-Ti
• Al-Ca-Fe-H-Mg-Na-O-Si-Ti
• Al-Ca-Fe-H-Mg-O-Si-Ti
• structural properties
• magnetic properties
• thermal and thermodynamic properties
• electronic and electrical properties
• Moessbauer spectra
• transitional
• disordered
• alkaline
• chalcogen
• oxide