Difference between revisions of "Burnt sienna"
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[[File:556 burnt sienna.jpg|thumb|Burnt sienna]] | [[File:556 burnt sienna.jpg|thumb|Burnt sienna]] | ||
== Description == | == Description == | ||
| − | + | [[File:20_Burnt_sienna_200X.jpg|thumb|Burnt sienna at 200x]] | |
A dark reddish brown iron oxide pigment prepared by burning [[raw sienna]]. Burnt sienna is a permanent pigment. Named for the south Italian city of Siena that produced fine grades of the pigment, it was originally called Italian earth. | A dark reddish brown iron oxide pigment prepared by burning [[raw sienna]]. Burnt sienna is a permanent pigment. Named for the south Italian city of Siena that produced fine grades of the pigment, it was originally called Italian earth. | ||
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Pigment Brown 6; CI 77491; Gebrannte Siena (Deut.); siena tostado (Esp.); terre de Sienne brûlée (Fr.); sienna psimeni (Gr.); terra di Siena bruciata (It.); bruine oker (Ned.); gebrande siena (Ned.); terra de Siena queimada (Port.); Caledonian brown; burnt ocher; mineral brown; Turkey umber; Italian earth; | Pigment Brown 6; CI 77491; Gebrannte Siena (Deut.); siena tostado (Esp.); terre de Sienne brûlée (Fr.); sienna psimeni (Gr.); terra di Siena bruciata (It.); bruine oker (Ned.); gebrande siena (Ned.); terra de Siena queimada (Port.); Caledonian brown; burnt ocher; mineral brown; Turkey umber; Italian earth; | ||
| − | [[File: | + | [[File:20_Burnt_sienna_200X_pol.jpg|thumb|Burnt sienna at 200x , polarized light]] |
| + | [[File:20_Burnt_sienna_500X.jpg|thumb|Burnt sienna at 500x]] | ||
| + | == Risks == | ||
| + | |||
| + | No significant hazards. | ||
| + | ==Physical and Chemical Properties== | ||
{| class="wikitable" | {| class="wikitable" | ||
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! scope="row"| Density | ! scope="row"| Density | ||
| − | | 3.56 | + | | 3.56 g/ml |
|- | |- | ||
! scope="row"| Refractive Index | ! scope="row"| Refractive Index | ||
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|} | |} | ||
| − | == | + | == Resources and Citations == |
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* R. J. Gettens, G.L. Stout, ''Painting Materials, A Short Encyclopaedia'', Dover Publications, New York, 1966 Comment: density = 3.56 and ref. index = 1.85 | * R. J. Gettens, G.L. Stout, ''Painting Materials, A Short Encyclopaedia'', Dover Publications, New York, 1966 Comment: density = 3.56 and ref. index = 1.85 | ||
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* ''The American Heritage Dictionary'' or ''Encarta'', via Microsoft Bookshelf 98, Microsoft Corp., 1998 | * ''The American Heritage Dictionary'' or ''Encarta'', via Microsoft Bookshelf 98, Microsoft Corp., 1998 | ||
| − | * Art and Architecture Thesaurus Online, | + | * Art and Architecture Thesaurus Online, https://www.getty.edu/research/tools/vocabulary/aat/, J. Paul Getty Trust, Los Angeles, 2000 |
[[Category:Materials database]] | [[Category:Materials database]] | ||
Latest revision as of 08:51, 11 May 2022
Description
A dark reddish brown iron oxide pigment prepared by burning Raw sienna. Burnt sienna is a permanent pigment. Named for the south Italian city of Siena that produced fine grades of the pigment, it was originally called Italian earth.
Synonyms and Related Terms
Pigment Brown 6; CI 77491; Gebrannte Siena (Deut.); siena tostado (Esp.); terre de Sienne brûlée (Fr.); sienna psimeni (Gr.); terra di Siena bruciata (It.); bruine oker (Ned.); gebrande siena (Ned.); terra de Siena queimada (Port.); Caledonian brown; burnt ocher; mineral brown; Turkey umber; Italian earth;
Risks
No significant hazards.
Physical and Chemical Properties
| Density | 3.56 g/ml |
|---|---|
| Refractive Index | 1.85 (var.) |
Resources and Citations
- R. J. Gettens, G.L. Stout, Painting Materials, A Short Encyclopaedia, Dover Publications, New York, 1966 Comment: density = 3.56 and ref. index = 1.85
- Ralph Mayer, A Dictionary of Art Terms and Techniques, Harper and Row Publishers, New York, 1969 (also 1945 printing)
- Dictionary of Building Preservation, Ward Bucher, ed., John Wiley & Sons, Inc., New York City, 1996
- G.S.Brady, Materials Handbook, McGraw-Hill Book Co., New York, 1971 Comment: p. 557
- Michael McCann, Artist Beware, Watson-Guptill Publications, New York City, 1979
- Random House, Webster's Encyclopedic Unabridged Dictionary of the English Language, Grammercy Book, New York, 1997
- The American Heritage Dictionary or Encarta, via Microsoft Bookshelf 98, Microsoft Corp., 1998
- Art and Architecture Thesaurus Online, https://www.getty.edu/research/tools/vocabulary/aat/, J. Paul Getty Trust, Los Angeles, 2000