Ca-Fe-O, Chalcogen, Srebrodolskite, Transitional

• Al-Ca-Fe-O
• Ca-Fe-O-Y
• magnetic properties
• structural properties
• thermal and thermodynamic properties
• Moessbauer spectra
• magnetic susceptibility
• oxide
• srebrodolskite
• chalcogen
• alkaline
• transitional
• orthorhombic