Difference between revisions of "Sienna"
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| − | [[File:1989.238-SC44013.jpg|thumb|]] | + | [[File:1989.238-SC44013.jpg|thumb|Native American bowl<br>MFA# 1989.238]] |
== Description == | == Description == | ||
| − | A natural, yellowish brown variety of ocher named for the south Italian city of Siena that produced fine grades of the pigment. [ | + | A natural, yellowish brown variety of ocher named for the south Italian city of Siena that produced fine grades of the pigment. [[Raw%20sienna|Raw sienna]] contains at least 50% hydrated ferric oxide ([[goethite|goethite]]) mixed with [[alumina|alumina]], [[clay|clay]], and some [[manganese%20dioxide|manganese dioxide]]. It produces a permanent, transparent paint that is often used as a glaze. [[Burnt%20sienna|Burnt sienna's]] warm reddish color is obtained by burning the raw material. |
== Synonyms and Related Terms == | == Synonyms and Related Terms == | ||
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raw sienna; burnt sienna; terre de Sienne (Fr.); terra di Siena (It.); siena (Port.) | raw sienna; burnt sienna; terre de Sienne (Fr.); terra di Siena (It.); siena (Port.) | ||
| − | == | + | ==Resources and Citations== |
* R. J. Gettens, G.L. Stout, ''Painting Materials, A Short Encyclopaedia'', Dover Publications, New York, 1966 | * R. J. Gettens, G.L. Stout, ''Painting Materials, A Short Encyclopaedia'', Dover Publications, New York, 1966 | ||
Latest revision as of 07:29, 31 May 2022
Description
A natural, yellowish brown variety of ocher named for the south Italian city of Siena that produced fine grades of the pigment. Raw sienna contains at least 50% hydrated ferric oxide (Goethite) mixed with Alumina, Clay, and some Manganese dioxide. It produces a permanent, transparent paint that is often used as a glaze. Burnt sienna's warm reddish color is obtained by burning the raw material.
Synonyms and Related Terms
raw sienna; burnt sienna; terre de Sienne (Fr.); terra di Siena (It.); siena (Port.)
Resources and Citations
- R. J. Gettens, G.L. Stout, Painting Materials, A Short Encyclopaedia, Dover Publications, New York, 1966
- G.S.Brady, Materials Handbook, McGraw-Hill Book Co., New York, 1971 Comment: p. 557
- Ralph Mayer, A Dictionary of Art Terms and Techniques, Harper and Row Publishers, New York, 1969 (also 1945 printing)
- Michael McCann, Artist Beware, Watson-Guptill Publications, New York City, 1979
- 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