Alkali, Chalcogen, Amara

• Fe-O-P-Rb
• Fe-H-O-P-Rb
• Cu-Fe-K-O-P
• Fe-Mn-Na-O-P
• Cd-Fe-Mn-Na-O-P
• magnetic properties
• Moessbauer spectra
• structural properties
• electronic and electrical properties
• isomer shift
• alkali
• chalcogen
• pnictogen
• orthophosphate
• transitional
• monoclinic
• orthorhombic
• triclinic
• cubic
• tetragonal