The Nordic Copper Special Patina is designed to match copper surfaces, particularly for historical buildings. Aurubis provides prefabricated systems for the material as well. Nordic Green/Blue ...

When copper reacts with sulfuric compounds in the air, it develops a patina, darkening the copper and eventually turning it green. The Statue of Liberty's iconic color is one example of this process.

Cite: Pereira, Matheus. "The Beauty of Pre-Oxidized Copper Through 8 Facades" [A beleza do cobre pré-oxidado através de 8 fachadas] 03 Oct 2018. ArchDaily. (Trans.

Located in the heart of staid Washington, D.C., SHoP Architects’ 14-story Midtown Center establishes a prominent presence with a contorting copper-and-glass facade and a trio of sky bridges.