Clay earth pigment

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Clay earth pigments are naturally occurring minerals that have been used since prehistoric times as pigments. The primary types are

• ochre
• sienna
• umber

Earth pigments are known for their fast drying time in oil painting, relative inexpensiveness, and lightfastness. Caveman paintings done in sienna still survive today.

External links

• http://www.iconofile.com/search_results.asp?subcatid=29 (Starting link; has multiple pages. This is a commercial site, but it has many excellent descriptions and pictures of these and other related materials.)

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Last updated on Tuesday June 03, 2008 at 18:13:55 PDT (GMT -0700)
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