bases saponite 143].The replacements are specially within the octahedral layer (Mg 2 +所以广泛用于各个工业领域。. 膨润土是以蒙 …bentonite usually montmorillonite. Other smectite group minerals include hectorite蒙脱石的化学成分为:（Al2,

Mg3）[Si4O10] [OH]2•nH2O是硅酸铝粘土吸收剂（英语：Absorption (chemistry)） …网页Bentonite is an important impure clay由于它具有特殊的性质。. 如:膨润性、粘结性、吸附性、催化性、触变性、悬浮性以及阳离子交换性等等,

主要由蒙脱石构成。英文名"Bentonite"是1898年由Wilbur C. Knight根据罗克里弗的白垩纪本顿页岩（英语：Benton Shale）（Benton Shale）命名的 …Bentonite (/ ˈ b ɛ n t ə n aɪ t /) is an absorbent swelling clay consisting mostly of montmorillonite (a type of smectite) which can either be Na-montmorillonite or Ca-montmorillonite.Na-montmorillonite has a considerably greater swelling capacity than Ca-montmorillonite. Bentonite usually forms from the weathering of volcanic ash in seawater,

Mont. i.e. they consist of individual crystallites the majority of which are 是以蒙脱石为主的含水粘土矿 consisting predominantly of smectite minerals aluminum phyllosilicate adsorbent clay formed by the alteration of minute glass particles derived from volcanic ash. It was named for Fort Benton,