These finishes are pre-patinated at the Aurubis mill to create the green/blue/turquoise patina that naturally develops over time with exposure to the environment. The pre-patination process ...

Because this chiminea is made of copper, it will likely develop a patina over time. That means this shiny copper finish will presumably start to turn green and ... colored spray paint on the ...

Through a series of oxidation reactions, a thin, green-blue layer known as a “patina” forms over copper as it is exposed to air. Not only did this process impart a markedly different color ...

The period of unsightliness can now be eliminated by subjecting the copper to electrolytic corrosion under controlled conditions; after 15 minutes an insoluble patina of good green colour is ...

Later, he was ruined in the copper crash of 1889. At the Statue’s unveiling, in 1886, it was brown, like a penny. By 1906, oxidation had covered it with a green patina. The thin layer of ...

preventing the copper from eroding away. The green stuff is called a "patina." You can think of this as a kind of rust that forms when copper is exposed to the air for a long time. Copper atoms ...