Witherite is a mineral that has chemical composition of barium carbonate, generally found in evaporite deposits and hydrothermal veins. Some synonyms for Witherite include Barite, Barytes, and Barium Carbonate. Barytes, which has a similar chemical composition as Witherite, is a naturally occurring mineral that is widely used as a source of barium and is commonly referred to as heavy spar. Barium Carbonate, which is also a type of barium mineral, is typically used in the production of ceramics and as a component in the manufacture of various electronic devices. Other synonyms for Witherite include Cawk, Bartyes, Bolognan Spar, Alstonite, and Morenosite.