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Mineral resource of the month: perlite

January 1, 2010

The article talks about perlite, which is a mineral used as an aggregate for lightweight construction products, filler for paints and horticultural soil blends. Perlite comes from viscous lava, mined and processed to produce lightweight material that competes with pumice, exfoliated vermiculite and expanded clay and shale. It is mined in about 35 countries that include Greece, Japan and the U.S. Other uses include insulation, concrete and plaster aggregate, and stonewashing.

Publication Year 2010
Title Mineral resource of the month: perlite
Publication Type Article
Publication Subtype Journal Article
Series Title Earth
Index ID 70045910
Record Source USGS Publications Warehouse
USGS Organization National Minerals Information Center