Fe2+ Armco iron Carbonyl iron FE FE (II) ion Fe(2+) Fe(II) Ferric hydroxide Ferrous ion Ferrovac e Hematite Infed Iron hydroxide (III) Iron hydroxide (fe(OH)3) Iron ion(2+) Iron oxyhydroxide Iron(2+) LOHA Limonite Magnetite Malleable iron Metopirone Metyrapone PZH2m PZHO Remko Suy-b 2 Taconite Venofer Wrought iron lambda2-iron(2+) ion