(Ca0.13Mn0.27Fe0.60)3[PO4]2 mP52 14

• Fe-O-P
• Fe-Mn-O-P
• Mn-O-P
• Ca-Fe-Mn-O-P
• Hg-O-P
• structural properties
• optical properties
• optical spectra
• X-ray absorption near-edge spectra
• transitional
• pnictogen
• chalcogen
• orthophosphate
• graftonite
• monoclinic