Difference between revisions of "Sienna"

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[[File:1989.238-SC44013.jpg|thumb|]]
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[[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. [http://cameo.mfa.org/materials/fullrecord.asp?name=Raw sienna Raw sienna] contains at least 50% hydrated ferric oxide ([http://cameo.mfa.org/materials/fullrecord.asp?name=goethite goethite]) mixed with [http://cameo.mfa.org/materials/fullrecord.asp?name=alumina alumina], [http://cameo.mfa.org/materials/fullrecord.asp?name=clay clay], and some [http://cameo.mfa.org/materials/fullrecord.asp?name=manganese dioxide manganese dioxide]. It produces a permanent, transparent paint that is often used as a glaze. [http://cameo.mfa.org/materials/fullrecord.asp?name=Burnt sienna Burnt sienna's] warm reddish color is obtained by burning the raw material.
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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.)
  
== Authority ==
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==Resources and Citations==
  
* R. J. Gettens, G.L. Stout, R. J. Gettens, G.L. Stout, ''Painting Materials, A Short Encyclopaedia'', Dover Publications, New York, 1966
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* R. J. Gettens, G.L. Stout, ''Painting Materials, A Short Encyclopaedia'', Dover Publications, New York, 1966
  
* G.S.Brady, G.S.Brady, ''Materials Handbook'', McGraw-Hill Book Co., New York, 1971  Comment: p. 557
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* G.S.Brady, ''Materials Handbook'', McGraw-Hill Book Co., New York, 1971  Comment: p. 557
  
* Ralph Mayer, Ralph Mayer, ''A Dictionary of Art Terms and Techniques'', Harper and Row Publishers, New York, 1969 (also 1945 printing)
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* Ralph Mayer, ''A Dictionary of Art Terms and Techniques'', Harper and Row Publishers, New York, 1969 (also 1945 printing)
  
* Michael McCann, Michael McCann, ''Artist Beware'', Watson-Guptill Publications, New York City, 1979
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* 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
 
* ''Dictionary of Building Preservation'', Ward Bucher, ed., John Wiley & Sons, Inc., New York City, 1996

Latest revision as of 08:29, 31 May 2022

Native American bowl
MFA# 1989.238

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