Hydromagnesite is a rare mineral primarily composed of magnesium, carbon, and oxygen. It is a white or colorless substance and is often used as a magnesium source in the chemical industry. There are several synonyms for the word hydromagnesite, including hydrated magnesium carbonate, magnesium bicarbonate, and magnesium hydroxycarbonate. Other terms used to refer to this mineral include magneociacalite, magneotaramite, and magnesophyrite. Hydromagnesite is typically found in hydrothermal deposits and in association with other minerals such as calcite, dolomite, and magnesite. The mineral has various industrial applications such as in the production of soda ash, glass, and ceramics.