Clays adjectives are listed in this post. Each word below can often be found in front of the noun clays in the same sentence. This reference page can help answer the question what are some adjectives commonly used for describing CLAYS.
blue, certain, different, earlier
early, few, fine, former
heavy, last, latter, many
natural, old, other, plastic
red, sandy, several, soft
Hope this word list had the adjective used with clays you were looking for. Additional describing words / adjectives that describe / adjectives of various nouns can be found in the other pages on this website.