"It is always obtained from ores that are usually the oxides, and occasionally the carbonate, as low in [sulfur] and phosphorus as possible. . .Iron is the fourth most plentiful element in the earth's crust (4.6%), but is so widely disseminated that it can be obtained only from ores in which iron has been specially concentrated."
This alchemical symbol represents Iron as well as the planet Mars.
"Iron is the most used of all the metals, including 95% of all the metal tonnage produced worldwide. Thanks to the combination of low cost and high strength it is indispensable. Its applications go from food containers to family cars, from screwdrivers to washing machines, from cargo ships to paper staples."
"Steel is an alloy of iron and carbon and other elements. Because of its high tensile strength and low cost, it is a major component used in buildings, infrastructure, tools, ships, automobiles, machines, appliances, and weapons."
Iron Electron Configuration
Element on the Periodic Table
This page by Jonah P.