zeolite Any of a group of hydrated aluminosilicate minerals, mostly found in volcanic rocks and hydrothermal veins. Zeolites are variable in form and light, with an open-framework structure which permits their use as "molecular sieves" and for ion exchange (especially for softening hard water. They undergo reversible dehydration. Related categories GEOLOGY AND PLANETARY SCIENCE INORGANIC CHEMISTRY Also on this site: Encyclopedia of Alternative Energy & Sustainable Living Encyclopedia of History Transport Concepts & Designs (partner site) |