Iron clay

(Min.) a yellowish clay containing a large proportion of an ore of iron.

See also: Iron

References in periodicals archive ?
She uses a clay body for her work that is a mixture of white clay and a red, high iron clay, which must be kneaded together.
Georgia hunter and land manager Jeff Banks says iron clay peas, also known as cowpeas, are among some of the best plantings to include in a plot because they grow quickly and deer love them.
of New Southern Bentonite * Bentonite ** MB% New Per Ton Per 1% MB Per Ton Per 1% MB Clay % Iron Clay per Iron Clay per lb.
His pieces, loosely textured and generously applied with white (and occasionally dark) slips on a high iron clay body, reflect Lee's study of the ancient Korean Onggi tradition.