Q. What is basalt stone?

Answer

To put it simply, basalt is a magmatic rock that solidifies from cooled lava following a volcanic explosion. The composition of basalt includes silica at 45-55% by volume, feldspar-containing minerals at 10% by volume, and plagioclase feldspar making up 65% of the rock. It has a density of 3.0 g/cm3. Basalt's structure is created when lava bubbles include dissolved gases. Since the pressure is lower at the surface, the gas can escape as the magma rises. Basalt stone is impervious to the elements since it is watertight, resistant to heat, and provides excellent sound insulation.