صلصل
 
Appears 4 times in the Quran.
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And certainly We created man of clay that gives forth sound, of black mud fashioned in shape. 
 
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15:28 وَإِذْ قَالَ رَبُّكَ لِلْمَلَٰٓئِكَةِ إِنِّى خَٰلِقٌۢ بَشَرًا مِّن صَلْصَٰلٍ مِّنْ حَمَإٍ مَّسْنُونٍAnd when your Lord said to the angels: Surely I am going to create a mortal of the essence of black mud fashioned in shape. 
 
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He said: I am not such that I should make obeisance to a mortal whom Thou hast created of the essence of black mud fashioned in shape. 
 
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He created man from dry clay like earthen vessels,