Barium Sulphate, also known as BaSO4, is a chemical compound commonly used in the medical field for diagnostic imaging tests such as X-rays and CT scans. It is also used in the manufacturing of paints, plastics, and rubber. There are several synonyms for barium sulphate, including barite, barytes, heavy spar, blanc fixe, and cawk. These synonyms are often used interchangeably with barium sulphate and offer a variety of options for those searching for this chemical compound. Regardless of the name used, barium sulphate remains a valuable substance in many industries due to its unique physical and chemical properties.