Red clay

Description

An iron-containing,secondary clay with a reddish brown color. Red clays are commonly found throughout the world. They tend to be smooth, with good plasticity and low shrinkage. Red clays are used for terracotta, earthenware, slip glazes, brick, and pigments. Examples of red clays include Etruria marl (Staffordshire England), Keuper marl (Hereford England) and Albany clay (New York).

Synonyms and Related Terms

iron clay

Authority

• Robert Fournier, Illustrated Dictionary of Practical Pottery, Chilton Book Company, Radnor, PA, 1992