 Magnetite |  Hematite |
 Goethite |  Limonite |
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Iron is the world's most commonly used metal. It is used primarily in structural engineering applications and in automobiles, maritime purposes, and general industrial applications (machinery).
Iron is a metallic chemical element with the symbol Fe (Latin: ferrum). it's atomic number 26. Iron is a group 8 and period 4 element and is therefore classified as a transition metal
Iron ores are rocks and minerals from which metallic iron can be economically extracted. The ores are usually rich in iron oxides and vary in color from dark grey, bright yellow, deep purple, to rusty red.
In the world, About 98% of iron ore is used to make steel and Powdered iron: used in metallurgy products, magnets, high-frequency cores, auto parts, catalyst
The iron itself is usually found in the form of magnetite (Fe3O4), hematite (Fe2O3), goethite, limonite or siderite. Hematite is also known as "natural ore".
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