+**4fe** is a notation often used to describe a chemical entity or structure involving four [Iron](/wiki/iron) atoms. This designation can refer to a specific stoichiometry within a [compound](/wiki/compound) or a particular aggregation state. Such a simple representation aids in discussions of material science and elemental interactions.
+## See also
+- [Iron](/wiki/iron)
+- [Element](/wiki/element)
+- [Metal](/wiki/metal)
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