Kutnohorite is a mineral that contains significant amounts of manganese and calcium. It is often found in carbonate-rich geological formations and has a pinkish-white color. Some synonyms for kutnohorite include calcium manganese carbonate, CaMn(CO3)2, or manganese calcite. It is sometimes confused with other minerals such as rhodochrosite due to its similar color and chemical composition. Kutnohorite is also known by its mineral group name, Carbonates and Nitrates. It has important industrial applications due to its manganese content and is commonly used in steel production, as well as for making fertilizers and glass. Despite its importance, kutnohorite is a relatively rare mineral and is not widely known outside of geological circles.