/ vird • uh • gree / Verdigris	Jump to pigmentMadder lake (alizarine)AzuriteBone blackBrown ochreCarmineCadmium orangecadmium yellowCerulean BlueCalcium carbonate whitesCharcoalcobalt blueCobalt greencobalt violetCobalt yellowChrome orangechrome yellowcopper resinateEgyptian blueEmerald greenGreen earthIndian yellowIndigolead whiteLemon yellowmalachiteNaples yellowOrpimentlead tin yellowPrussian bluerealgarred leadRed ochresmalttitanium dioxideUltramarineUmbraVan Dyke brownverdigrisvermilionviridianYellow ochrezinc white

1.  Overview     2. History of use     3. Making the pigment     4. Technical details

About the chemical structure:          Chemical name: Copper acetates ranging in color from green to blue. Neutral verdigris is Cu(CH3COO)2· H2O, and basic verdigris contains more Cu(OH)2 and H2O. Formula: Cu(OH)2 · (CH3COO)2 · 5 H2O Refractive index: alpha = 1.53; gamma = 1.56

A swatch of Verdigris paint:

How can you identify Verdigris?          Chemical identification: n/a Spectra: Raman spectra: neutral verdigris, basic verdigris and hydrated basic verdigris (at University College London)   Usage and handling:          Permanence: Toxicity: good lightfastness MSDS (at Fisher Scientific)   Literature:             Kühn, H., Grünspan und seine Verwendung in der Malerei, Farbe und Lack, 70, 1964, p. 703-711 Schweizer, F. und Mühletaler, B. Einige Grüne und Blaue Kupferpigmente, Farbe und Lack, 74 1968, p. 1159-73 Artists’ Pigments. A Handbook of Their History and Characteristics, Vol. 2: A. Roy (Ed.) Oxford University Press 1993, p. 131-147

Other greens         (intro) - Cobalt green - copper resinate - Emerald green - Green earth - malachite       verdigris - viridian