Mineral resource of the month: natural and synthetic zeolites




Volcanic rocks containing natural zeolites — hydrated aluminosilicate minerals that contain alkaline and alkaline-earth metals — have been mined worldwide for more than 1,000 years for use as cements and building stone. For centuries, people thought natural zeolites occurred only in small amounts inside cavities of volcanic rock. But in the 1950s and early 1960s, large zeolite deposits were discovered in volcanic tuffs in the western United States and in marine tuffs in Italy and Japan. And since then, similar deposits have been found around the world, from Hungary to Cuba to New Zealand. The discovery of these larger deposits made commercial mining of natural zeolite possible.

Publication type Article
Publication Subtype Journal Article
Title Mineral resource of the month: natural and synthetic zeolites
Series title Geotimes
Volume 53
Issue 6
Year Published 2008
Language English
Publisher AGI
Contributing office(s) National Minerals Information Center
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