Pumice, Volcanic Glass, Uses, Formation, Properties

Pumice, a very porous, frothlike volcanic glass that has long been used as an abrasive in cleaning, polishing, and scouring compounds. It is also employed as a lightweight aggregate in precast masonry units, poured concrete, insulation and acoustic tile, and plaster. Pumice is pyroclastic igneous

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Pumice from Ischia Island, Naples, Campania, Italy

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Pumice: Most Up-to-Date Encyclopedia, News & Reviews

Optical microscope images of sieved samples from the pumiceous

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