Yellow ocher

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Yellow ocher

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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.

Raman

YellochrUCL.jpg

Raman

Goethiteitaly1.jpg

FTIR

MFA- Yellow ochre (with clay).jpg

XRD

PIG258.jpg

SEM

F258sem.jpg

EDS

F258edsbw.jpg

XRF

Slide28 FC258.PNG


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


Sources Checked for Data in Record

  • 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

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