Tags: Chemical Substance, Mineral.
Cyrilovite (NaFe33+(PO4)2(OH)4•2(H2O)) is a hydrous sodium iron phosphate mineral. It is isomorphous and isostructural with wardite the sodium aluminium counterpart.Cyrilovite is found in granitic pegmatites. It was first discovered in 1953 in a pegmatite at Cyrilov near Velké Meźiřiči West Moravia Czech Republic.