The Vermiculite Association

Vermiculite is a unique, naturally occurring, inert laminar mineral that finds use in many construction, industrial, home, agricultural and garden products and systems. Chemically a hydrated magnesium aluminum silicate, vermiculite exfoliates (expands) when heated to form a ultra lightweight aggregate. This product is non-combustible, compressible, highly absorbent, nonreactive and it may also have high cation …