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Crushing Strength Of A Good Building Stone Should Be

A good building stone must absorb less than 5 water and those stones that absorb more than 10 of water should be rejected.Sandstones should not absorb water more than 10, 17 in case of limestones and 1 in granites of their volume when dipped for 3-4 hours.9.Smiths test.This test indicates the presence of earthy matter.10.

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