Difference between revisions of "Red ocher"
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== Description == | == Description == | ||
| − | Any of several naturally occurring red earth pigments. Red ochers contain [ | + | Any of several naturally occurring red earth pigments. Red ochers contain [[hematite|hematite]] ([[iron%20oxide%20red|red iron oxide]]) mixed with clay and vary widely in hue. Ground finely from red earth or clay, red ochers are lightfast, unreactive pigments that have been used since ancient times. They can also be manufactured by calcining [[yellow%20ocher|yellow ocher]] ([[goethite|goethite]]). |
[[File:23_Red_ocher_200X.jpg|thumb|Red ocher]] | [[File:23_Red_ocher_200X.jpg|thumb|Red ocher]] | ||
Revision as of 10:48, 10 May 2016
Description
Any of several naturally occurring red earth pigments. Red ochers contain Hematite (red iron oxide) mixed with clay and vary widely in hue. Ground finely from red earth or clay, red ochers are lightfast, unreactive pigments that have been used since ancient times. They can also be manufactured by calcining Yellow ocher (Goethite).
Synonyms and Related Terms
red ochre (Br.); red earth; earth red; iron oxide red; red iron oxide; Indian red; brun rouge; Roter Ocker (Deut.); minium de fer (Fr.); reddle; Spanish brown; Venetian red, English red; Spanish red; caput mortuum; Indian red; light red; burnt sienna
Additional Information
Record content reviewed by EU-Artech, November 2007.
Sources Checked for Data in Record
- External source or communication Comment: Submitted information: Helen Howard, November 2007
- R. J. Gettens, G.L. Stout, Painting Materials, A Short Encyclopaedia, Dover Publications, New York, 1966
- Reed Kay, The Painter's Guide To Studio Methods and Materials, Prentice-Hall, Inc., Englewood Cliffs, NJ, 1983
- Ralph Mayer, A Dictionary of Art Terms and Techniques, Harper and Row Publishers, New York, 1969 (also 1945 printing)
- R.D. Harley, Artists' Pigments c. 1600-1835, Butterworth Scientific, London, 1982
- Matt Roberts, Don Etherington, Bookbinding and the Conservation of Books: a Dictionary of Descriptive Terminology, U.S. Government Printing Office, Washington DC, 1982
- Dictionary of Building Preservation, Ward Bucher, ed., John Wiley & Sons, Inc., New York City, 1996
- Art and Architecture Thesaurus Online, http://www.getty.edu/research/tools/vocabulary/aat/, J. Paul Getty Trust, Los Angeles, 2000
- Website address 1 Comment: Pigments Through the Ages http://webexhibits.org/pigments/indiv/overview/redochre.html
- The Dictionary of Art, Grove's Dictionaries Inc., New York, 1996 Comment: "Pigments"