+Patina is a thin layer that forms on the surface of various materials, often metals like bronze or copper, due to [Corrosion](/wiki/corrosion) or other chemical processes. It marks the slow passage of [Aging](/wiki/aging), lending an object a unique aesthetic and character over time.
+## See also
+- [Bronze](/wiki/bronze)
+- [Copper](/wiki/copper)
+- [Oxidation](/wiki/oxidation)
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