Stones form one of the most important building materials in civil engineering. Stones are derived from rocks, which form the earth’s crust and have no definite shape or chemical combination but are mixtures of two or more minerals. In stone masonry in places where it is naturally available. Stone materials are often used for construction because they are strong, durable and very resistant to weather conditions. Stone is extracted from natural deposits called quarrying. The stone blocks are processed by cutting, shaping and polishing them. Some aggregates are used during the process for cleaning, crushing and sorting the stone blocks.