Umber - ColourLex (original) (raw)

(1) Helwig, K. Iron Oxide Pigments, in Artists’ Pigments, Berrie, B.H., Ed., National Gallery of Art Washington, 2007, pp 38 – 109.

(2) Cornell, R. M., & Schwertmann, U. The Iron Oxides: Structure, Properties, Reactions, Occurrences and Uses. Wiley 2006.

(3) Earth pigments tour website. It contains a colour map of many earth pigments.

(4) Hradila, David; Grygara, Tomáš; Hradilová, Janka; Bezdička, Petr. Clay and iron oxide pigments in the history of painting. Applied Clay Science 22, 2003, p. 230.

(5) S. Muntwyler, J. Lipscher, HP. Schneider, Das Farbenbuch, 2nd. Ed., 2023, alataverlag Elsau, pp. 32-35.