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 ...

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 ...

The iconic copper dome atop the Kansas Statehouse ... then comes a dark brown and finally a very hard coating of the patina. “Some people do like green patina,” Greis said, “and they can ...

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 ...

Mowery is the owner of Patina Studio at 104 ... Over time, copper naturally turns from an orange-red to a darker brown to blue and eventually green. Need a break? Play the USA TODAY Daily ...