Pumice-stone sentence example

pumice-stone
  • Volcanic dust thrown into the air settles out slowly, and some of the products of submarine and littoral volcanoes, like pumice-stone, possess a remarkable power of floating and may drift into any part of the ocean before they become waterlogged and sink.

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  • Volcanic activity in the neighbourhood is further shown by the quantities of pumice-stone drifted on to the south coasts of Kandavu and Viti Levu; malachite, antimony and graphite, gold in small quantities, and specular iron-sand occur.

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  • Lava is much used for paving-stones in the neighborhood of volcanic districts, where pozzolana (for cement) and pumice stone are also important.

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  • One of these he says is found in magnesia, is white in colour, does not attract iron and is like pumice stone.

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  • Use a pumice stone or foot file to slough off calluses and tough spots on a regular basis.

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