The use of natural zeolites in construction industry is presented. Zeolitic tuffs
have been used for thousands of years as light – weight, durable dimension stone.
Starting from the end of 20thcentury natural zeolites found large utilization in building
materials: in cement manufacture, in clay – cement mixtures, in stability agents for
cement manufacture, for aerated concrete production. Geopolymers are a new fire, blast
and dried resistance group of building materials. Clinoptilolite tuffs can be utilized for
the production of geopolymers.
Keywords: Zeolitic tuff, construction industry, building materials, cement, cement
mixtures, stability agents, aerate concrete, clinoptilolite tuffs, geopolymers.