Bentonite ma'adinai ne maras ƙarfe tare da montmorillonite a matsayin babban ɓangaren ma'adinai.Tsarin montmorillonite shine nau'in crystal na nau'in 2: 1 wanda ya ƙunshi siliki tetrahedrons tetrahedrons na siliki guda biyu wanda aka yi tare da Layer na aluminum oxide octahedron.Domin tsarin da aka gina da montmorillonite cell yana da wasu cations, irin su Cu, Mg, Na, K, da dai sauransu, kuma aikin waɗannan cations tare da tantanin halitta montmorillonite ba shi da kwanciyar hankali, mai sauƙi don musanya shi da sauran cations, yana da ion mai kyau. iya musanya.A kasashen waje, an yi amfani da shi a cikin fiye da sassan 100 a fannoni 24 na masana'antu da noma, tare da samfurori sama da 300, don haka mutane suna kiranta "ƙasar duniya".

Bentonite kuma ana kiransa bentonite, bentonite, ko bentonite.Kasar Sin dai na da dadadden tarihi wajen bunkasawa da yin amfani da bentonite, wanda asalinsa kawai ake amfani da shi a matsayin wanki.An sami buɗaɗɗen ma'adanai a yankin Renshou na Sichuan shekaru ɗaruruwan da suka gabata, kuma mazauna yankin suna kiran bentonite a matsayin foda.Ana amfani da shi da gaske amma yana da tarihin sama da shekaru ɗari.Farkon ganowa a Amurka ya kasance a cikin tsohuwar madauwari na Wyoming.Lambun chartreuse na iya faɗaɗa cikin manna bayan ƙara ruwa.Daga baya, mutane suka kira duk clays tare da wannan dukiya bentonite.A gaskiya ma, babban ma'adinai na bentonite shine montmorillonite, tare da abun ciki na 85-90%.Wasu kaddarorin na bentonite kuma ana ƙaddara su ta hanyar montmorillonite.Montmorillonite na iya zama cikin launuka daban-daban, kamar rawaya koren rawaya, farar rawaya, launin toka, fari, da sauransu. Yana iya haifar da tulu mai yawa ko ƙasa maras kyau, tare da jin daɗi idan an shafa shi da yatsu.Bayan ƙara ruwa, ƙarar ƙananan tubalan yana faɗaɗa sau da yawa zuwa sau 20-30, suna bayyana a cikin yanayin da aka dakatar a cikin ruwa, kuma a cikin yanayin manna idan akwai ruwa kaɗan.Halin montmorillonite yana da alaƙa da haɗin sinadarai da tsarin ciki.