Difference between revisions of "Brown ocher"
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== Description == | == Description == | ||
| − | A natural earth brown pigment ranging in color from a dark yellow to a deep reddish brown. Brown ocher contains [http://cameo.mfa.org/materials/fullrecord.asp?name=silica silica], [http://cameo.mfa.org/materials/fullrecord.asp?name=clay clay], and a mixture of [http://cameo.mfa.org/materials/fullrecord.asp?name=ferric | + | A natural earth brown pigment ranging in color from a dark yellow to a deep reddish brown. Brown ocher contains [http://cameo.mfa.org/materials/fullrecord.asp?name=silica silica], [http://cameo.mfa.org/materials/fullrecord.asp?name=clay clay], and a mixture of [http://cameo.mfa.org/materials/fullrecord.asp?name=ferric%20hydroxide iron oxides] along with small amounts of [http://cameo.mfa.org/materials/fullrecord.asp?name=manganese%20dioxide manganese dioxide]. It is more commonly called [http://cameo.mfa.org/materials/fullrecord.asp?name=umber umber] or [http://cameo.mfa.org/materials/fullrecord.asp?name=sienna sienna], depending on its color. |
== Synonyms and Related Terms == | == Synonyms and Related Terms == | ||
Revision as of 11:02, 13 June 2013
Description
A natural earth brown pigment ranging in color from a dark yellow to a deep reddish brown. Brown ocher contains silica, clay, and a mixture of iron oxides along with small amounts of manganese dioxide. It is more commonly called umber or sienna, depending on its color.
Synonyms and Related Terms
umber; sienna; brown ochre (Br.); ocra marrone (It.)
Authority
- Ralph Mayer, Ralph Mayer, A Dictionary of Art Terms and Techniques, Harper and Row Publishers, New York, 1969 (also 1945 printing)
- R.D. Harley, R.D. Harley, Artists' Pigments c. 1600-1835, Butterworth Scientific, London, 1982
- Art and Architecture Thesaurus Online, http://www.getty.edu/research/tools/vocabulary/aat/, J. Paul Getty Trust, Los Angeles, 2000
- The Dictionary of Art, Grove's Dictionaries Inc., New York, 1996 Comment: "Pigments"