The word(s) "clay" appears 19 time(s) in 19 verse(s) in Quran in Abdullah Yusuf Ali translation.

(11) Man We did create from a quintessence (of clay);

(12) Pharaoh said: "O Chiefs! no god do I know for you but myself: therefore, O Haman! light me a (kiln to bake bricks) out of clay, and build me a lofty palace, that I may mount up to the god of Moses: but as far as I am concerned, I think (Moses) is a liar!"

(13) He Who has made everything which He has created most good: He began the creation of man with (nothing more than) clay,

(14) Just ask their opinion: are they the more difficult to create, or the (other) beings We have created? Them have We created out of a sticky clay!

(15) Behold, thy Lord said to the angels: "I am about to create man from clay:

(16) (Iblis) said: "I am better than he: thou createdst me from fire, and him thou createdst from clay."

(17) "To bring on, on them, (a shower of) stones of clay (brimstone),

(18) He created man from sounding clay like unto pottery,

(19) Striking them with stones of baked clay.