An extensive collection of information on the properties, preparation, and use of viridian. It was frequently employed by the Impressionists.
Recluse Majority - National Gallery of Slovenia
viridian – Cultural Heritage Science Open Source
Viridian - ColourLex
Green Earth Pigments in Art History—Uses, Properties and Colors
viridian – Cultural Heritage Science Open Source
Verde viridian Viridian, Color, Sugar scrub
upload.wikimedia.org/wikipedia/commons/thumb/1/15/
Pigments through the Ages - Overview - Carmine lake
Viridian - Wikipedia
Individual pigments - Page 2 of 2 - ColourLex - Art and Science