Revision as of 06:50, 24 July 2013 by (username removed)
Description
Any of several clay compounds that are high in iron oxides. Iron earths, such as ocher, umber, and sienna, are used for pigments in paints, glazes, and slips.
Synonyms and Related Terms
tierra rica en óxido de hierro (Esp.); terre riche en fer (Fr.)