All about construction sand

Sand is not only natural, but also artificial. The main component of sand is silicon dioxide, which is an ordinary quartz.

The sand has a loose consistency and consists of microparticles, the size of which varies from 0.15 to 5 millimeters. Sand is formed with the gradual destruction of the rock. Sand is mined in the river, sea water, as well as in the mountains and special quarries.

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