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Pumice and pumicite are volcanic rocks characterized by their lightweight, porous structure, formed from rapidly cooled lava. Primarily used in construction, abrasives, and horticulture, they serve as essential materials for concrete production, insulation, and soil amendment. Their economic significance lies in their versatility and demand across various industries, contributing to sustainable building practices and enhancing product performance.
Source: United States Geological Survey Mineral Resources Program
See also: Mineral commodity prices