Bentonite ivhu rinonyura realuminium phyllosilicate rinosanganisira zvakanyanya montmorillonite.Mhando dzakasiyana-siyana dze bentonite dzinodanwa zita rechimwe chinhu chakakosha, se potassium (K), sodium (Na), calcium (Ca), uye aluminium (Al).Kambani yedu inonyanya kupa yakasikwa sodium bentonite.