Tag: making pigments

Word of the Day: Verdigris

The Magdalen Reading, by Rogier van der Weyden (1438)

Verdigris is the greenish-bluish film that is created on the surface of copper by the application of a dilute acetic acid. It has a long history of use as a pigment, in dyeing, in the arts, and in medicine. The term can also refer… Continue Reading “Word of the Day: Verdigris”