Bentonite is an absorbent aluminium phyllosilicate clay consisting principally of montmorillonite. It was named by Wilbur C. Knight in 1898 after the Cretaceous Benton Shale near Rock River, Wyoming. The completely different types of bentonite are each named after the…

Bentonite is an absorbent aluminium phyllosilicate clay consisting mostly of montmorillonite. It was named by Wilbur C. Knight time in 1898 after the Cretaceous Benton Shale close to Rock River, Wyoming. The totally different types of bentonite are every named…