Difference between revisions of "Yellow ocher"
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| − | [[File: | + | [[File:Eros Sculpture-CR4047-d1.jpg|thumb|Eros sculpture<br>MFA# 1979.477]] |
== Description == | == Description == | ||
A natural yellow earth mineral primarily composed of [[goethite|goethite]] (iron hydroxide) and [[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 [[Mars%20yellow|Mars yellow]]. | A natural yellow earth mineral primarily composed of [[goethite|goethite]] (iron hydroxide) and [[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 [[Mars%20yellow|Mars yellow]]. | ||
| − | [[[SliderGallery rightalign|Yellow ocher (Forbes MFA 258) 785nm (640x445).jpg~Raman | + | [[[SliderGallery rightalign|Yellow ochre, 269.TIF~FTIR (MFA)|Yellow ocher (Forbes MFA 258) 785nm (640x445).jpg~Raman (MFA)|PIG258.jpg~XRD|f258sem.jpg~SEM|f258edsbw.jpg~EDS|Slide28 FC258.PNG~XRF]]] |
== Synonyms and Related Terms == | == 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 | + | goethite; limonite; jarosite; yellow ochre; ocre jaune (Fr.); yellow earth; earth yellow; Mars yellow; gold ochre; raw sienna; French ochre; raw umber |
== Additional Images == | == Additional Images == | ||
<gallery> | <gallery> | ||
| − | File:589 pale yellow ocher.jpg|Yellow ocher, pale | + | File:258 yellow ocher.jpg|Yellow ocher<br>Forbes pigment 258 |
| − | File:yellowocher C100x.jpg|Yellow ocher | + | File:589 pale yellow ocher.jpg|Yellow ocher, pale<br>Forbes pigment 589 |
| − | File:9_Yellow-ocher_500X.jpg|Yellow ocher | + | File:yellowocher C100x.jpg|Yellow ocher at 100x (visible light left; UV light right) |
| − | File:9_Yellow-ocher_200X_pol.jpg|Yellow ocher | + | File:9_Yellow-ocher_500X.jpg|Yellow ocher at 500x |
| + | File:9_Yellow-ocher_200X_pol.jpg|Yellow ocher at 200x polarized light | ||
</gallery> | </gallery> | ||
| − | + | ==Resources and Citations== | |
| − | == | + | * Ruth Siddall, 'Mineral Pigments in Archaeology: Their Analysis and the Range of Available Materials' ''Minerals'' Vol 8, p. 201 (2018). [https://www.academia.edu/36588315/Mineral_Pigments_in_Archaeology_Their_Analysis_and_the_Range_of_Available_Materials?email_work_card=view-paper Link] |
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* G.S.Brady, ''Materials Handbook'', McGraw-Hill Book Co., New York, 1971 Comment: p. 558 | * 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 | * 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) | * 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 | * 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 13:53, 28 February 2024
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.
_785nm_(640x445).jpg)
Synonyms and Related Terms
goethite; limonite; jarosite; yellow ochre; ocre jaune (Fr.); yellow earth; earth yellow; Mars yellow; gold ochre; raw sienna; French ochre; raw umber
Additional Images
Yellow ocher
Forbes pigment 258
Yellow ocher, pale
Forbes pigment 589
Yellow ocher at 100x (visible light left; UV light right)
Yellow ocher at 500x
Yellow ocher at 200x polarized light
Resources and Citations
- Ruth Siddall, 'Mineral Pigments in Archaeology: Their Analysis and the Range of Available Materials' Minerals Vol 8, p. 201 (2018). Link
- 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