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pumice    音标拼音: [p'ʌməs]
n. 轻石,浮石
vt. 用浮石磨光

轻石,浮石用浮石磨光

pumice
n 1: a light glass formed on the surface of some lavas; used as
an abrasive [synonym: {pumice}, {pumice stone}]
v 1: rub with pumice, in order to clean or to smoothen


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  • Pumice - Wikipedia
    Pumice ( ˈ p ʌ m ɪ s ), called pumicite in its powdered or dust form, is a volcanic rock that consists of extremely vesicular rough-textured volcanic glass, which may or may not contain crystals It is typically light-colored
  • Pumice | Volcanic Glass, Uses, Formation, Properties | Britannica
    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 | Properties, Composition, Formation, Uses - Geology Science
    Pumice is a volcanic rock that consists of highly vesicular rough textural rock glass It generally light colored It is created when gas-saturated liquid magma erupts like a carbonated drink and cools so rapidly that the resulting foam solidifies into a glass full of gas bubbles
  • Pumice: Properties, Uses, Formation, and Care | Complete Guide
    Discover the unique properties and diverse uses of pumice, the lightweight volcanic rock Learn about its formation, types, applications in construction, horticulture, personal care, and its metaphysical significance in this comprehensive guide
  • Pumice: A Frothy, Light-Colored Volcanic Rock with Many Uses
    Pumice is a very low-density, form-like, mostly light-colored glassy volcanic rock with a vesicular texture, not a mineral This rough, porous rock forms from mostly silicic, high-viscosity, volatile-rich lava during an explosive volcanic eruption
  • What Is Pumice Used For? - Sciencing
    From concrete blocks to exfoliating face scrubs, pumice is used for hundreds of unique applications Since pumice stone is made of solidified magma with large pores from trapped gases, it is a very lightweight material that is useful in a variety of construction and landscaping applications
  • Pumice: Identification, Pictures, Info for Rockhounds
    Pumice is an extrusive igneous rock composed of highly vesicular volcanic glass, formed from violent eruption, depressurization, and rapid cooling of lava It is usually lightly colored with a felsic or intermediate composition Pumice can be readily identified by its unique ability to float on water
  • Ultimate Guide to Pumice (The Floating Rock!)
    Less dense than water, with a wide variety of both industrial and personal uses, it’s actually the result of violent volcanic eruptions Pumice itself has been used for thousands of years, and is still found in many products to this day But what is it? And how is it formed? Let’s scrape the depths and take a closer look at this offbeat stone
  • Pumice: the floaty, foamy, fragile stone and its uses - ZME Science
    Pumice is a lightly colored rock with a very foamy structure It’s so porous, in fact, that most specimens can float on water (until they eventually become waterlogged and sink) The secret to
  • What is Pumice? - WorldAtlas
    Pumice has an extremely wide distribution across the Earth’s surface, and in fact covers all of the continents It is frequently found in deposits discovered in the deepest portions of the ocean floor, and is a common occurrence in abyssal red clay





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