Stone powder, commonly known as rock dust or stone flour, plays a crucial role in the construction industry due to its versatile properties. It is produced by grinding stones like limestone, marble, or granite into a fine powder, which is then used in various construction applications. One of the primary uses of stone powder is as a filler material in concrete and asphalt mixtures. When added to concrete, stone powder helps improve the density and compressive strength of the final product by filling the gaps between the aggregate particles. This results in a more durable and robust structure, which is especially important for buildings, bridges, and roads subjected to heavy loads and wear. In addition to its role in concrete, stone powder is also used in the production of mortar, plaster, and other building materials. Its fine texture enhances the workability of these mixtures, making them easier to apply and providing a smooth, even finish on surfaces. Moreover, stone powder is often used as a substitute for sand in construction, offering a cost-effective and sustainable alternative that helps reduce the environmental impact of mining natural sand. Furthermore, stone powder is valued for its eco-friendly nature, as it is often produced from the byproducts of stone quarrying and processing, which would otherwise be considered waste. By utilizing stone powder, the construction industry can minimize waste, lower costs, and contribute to more sustainable building practices. Overall, stone powder is an indispensable material in modern construction, offering numerous benefits in terms of strength, durability, workability, and sustainability.