Bentonite is a clay generated frequently from the alteration of volcanic ash, consisting predominantly of smectite minerals, usually montmorillonite. It is an absorbent aluminium phyllosilicate clay consisting mostly of montmorillonite.

The term Bentonite was first used for a clay found in about 1890 in upper cretaceous tuff near Fort Benton, Montana. The main constituent, which is the determinant factor in the clay's properties, is the clay mineral montmorillonite. This in turn, derives its name from a deposit at Montm

Salient Features

Color: Light gray to off-white with pH value: 8.3 - 9.1
Odorless & Non-staining
Velveteen feel to touch