The Bentonite Powder usually forms from weathering of volcanic ash. They are often made in the presence of water. It is similar to clay called tonstein and is used to describe clay beds of uncertain origin. The Bentonite Powder offered by us is made up of sodium and calcium bentonite. They are commonly referred to as K-bentonites and the dominant clay species is illite. Further, they are available in various size and in various packaging. They can be availed from us at lower price.