ʻO ka Bentonite kahi pālolo alumini phyllosilicate ka nui o ka montmorillonite. ʻO nā ʻano like ʻole o ka bentonite ua kapa ʻia kēlā me kēia ma muli o kēlā me kēia mea nui, e like me ka potassium (K), sodium (Na), calcium (Ca), a me ka alumini (Al). Hāʻawi nui kā mākou hui i ka sodium bentonite kūlohelohe.