Widely used in the construction industry as a key ingredient in cement, mortar, and concrete. It acts as a filler and binder, enhancing durability and strength. In agriculture, it is applied as a soil conditioner to neutralize acidic soils and improve crop yields. The food and pharmaceutical industries utilize it as a dietary calcium supplement and antacid to treat heartburn and indigestion. In manufacturing, it serves as a filler in products like paper, plastics, paints, and coatings to improve texture and opacity. Additionally, it is employed in water treatment processes to adjust pH levels and remove impurities.