what do you understand by stone?

Stone are obtained from naturally occurring rocks. Stone so not have a definite structure. these are commonly formed by weathering of sedimentary rocks via wind, water, and sun rays. Stone constitutes an important building material used for different structures. stone is used in foundations, columns, bedrocks, walls, etc. in buildings. Stone is also used in hydraulic structures like dams and bridges. Stone serves as strong road metal and railways.