Though you may want to speed up the patina of an item, if it's a genuine antique, forcing the natural reaction will be ...

When it comes to metal—be it a copper pan or an antique made ... on over time. "Patina doesn't flake on metal and is mainly just a color change, such as bronze turning green," says Eileen ...

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 ...