Bentonite, inozivikanwawo sedombo rebentonite kana kuti ivhu remontmorillonite, idombo remuvhu rinowanikwa zvakasikwa rinosanganisira montmorillonite. Rinozivikanwa nekupinza kwaro mvura zvakanyanya, kuzvimba, uye kugona kwaro kuchinjana kwetsinga. Zita rekuti "Bentonite" rinobva kuBenton kuWyoming, USA, uko dombo iri rakasiyana rakatanga kuwanikwa uye rakatumidzwa zita iri nekuda kwenzvimbo yaro yakawanikwa.

Bentonite inozivikanwa nekugona kwayo kugadzira majeli kana yanyorova, izvo zvinoita kuti ive yakakosha zvikuru mumaindasitiri akasiyana-siyana. Hunhu hwayo hwemuviri uye hwemakemikari hunoita kuti ishandiswe sechinhu chakakosha mukuchera madhaka, zvichiwedzera kunaka kwawo, kusungirirwa, uye kunyorova. Muindasitiri yemapepa, bentonite inoshanda semushonga wekuzadza nekuputira, ichivandudza kuchena kwepepa, kutsvedzerera, uye kudhindwa. Pamusoro pezvo, inoshandiswa musimbi, zveceramics, zvekuzora, nezvimwewo, uko inogona kudiwa mumhando dzakasiyana uye nezvinodiwa zvekushanda.

Ruvara rwebentonite runogona kusiyana kubva paruvara ruchena nerweyero rakachenuruka kusvika kuruvara rwakasiyana-siyana runosanganisira grey, green, pink, brown, uye tsvuku, zvichienderana nehuwandu hwesimbi yaro. Rinowanzo ratidza kupenya kwakafanana newakisi, ivhu, kana mafuta uye rinogona kuwanikwa mumhando dzakasununguka nedzakamanikana. Kugona kwebentonite kunokonzerwa zvakanyanya nehukuru hwezvidimbu zvayo, nezvidimbu zvakapfava zvichiratidza kunyungudika kwakasimba.