Difference between revisions of "Yellow ocher"
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A natural yellow earth mineral primarily composed of [http://cameo.mfa.org/materials/fullrecord.asp?name=goethite goethite] (iron hydroxide) and [http://cameo.mfa.org/materials/fullrecord.asp?name=clay clay]. Yellow ochers occur naturally throughout the world and have been used as a pigment since prehistoric times. Synthetically produced yellow ocher pigment, introduced at the end of the 18th century, is sold under the name of [http://cameo.mfa.org/materials/fullrecord.asp?name=Mars%20yellow Mars yellow]. | A natural yellow earth mineral primarily composed of [http://cameo.mfa.org/materials/fullrecord.asp?name=goethite goethite] (iron hydroxide) and [http://cameo.mfa.org/materials/fullrecord.asp?name=clay clay]. Yellow ochers occur naturally throughout the world and have been used as a pigment since prehistoric times. Synthetically produced yellow ocher pigment, introduced at the end of the 18th century, is sold under the name of [http://cameo.mfa.org/materials/fullrecord.asp?name=Mars%20yellow Mars yellow]. | ||
− | [[[SliderGallery rightalign|YellochrUCL.jpg~Raman|Goethiteitaly1.jpg~Raman|MFA- Yellow ochre (with clay).jpg~FTIR|PIG258.jpg~XRD|f258sem.jpg~SEM|f258edsbw.jpg~EDS]]] | + | [[[SliderGallery rightalign|YellochrUCL.jpg~Raman|Goethiteitaly1.jpg~Raman|MFA- Yellow ochre (with clay).jpg~FTIR|PIG258.jpg~XRD|f258sem.jpg~SEM|f258edsbw.jpg~EDS|Slide28 FC258.PNG~XRF]]] |
== Synonyms and Related Terms == | == Synonyms and Related Terms == |
Revision as of 09:01, 1 August 2013
Description
A natural yellow earth mineral primarily composed of goethite (iron hydroxide) and clay. Yellow ochers occur naturally throughout the world and have been used as a pigment since prehistoric times. Synthetically produced yellow ocher pigment, introduced at the end of the 18th century, is sold under the name of Mars yellow.
Synonyms and Related Terms
goethite; limonite; yellow ochre; ocre jaune (Fr.); yellow earth; earth yellow; Mars yellow; gold ochre; raw sienna; French ochre; raw umber
Additional Images
Authority
- G.S.Brady, Materials Handbook, McGraw-Hill Book Co., New York, 1971 Comment: p. 558
- 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)
- 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