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 Rock Type, Composition, Formation, Occurrence & Uses

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Petrographic observations of pumice hyaloclastite: (a)-Axiolitic

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Pumice, Volcanic Glass, Uses, Formation, Properties