Halloysite is a type of clay mineral found in various parts of the world, including the United States, New Zealand, and China. It is often used in the ceramics industry for its unique properties, such as its ability to hold water and its high plasticity. Some synonyms for halloysite include kaolin, clay, and alumina silicate. Other related terms include smectite, illite, and montmorillonite, which are also types of clay minerals. Halloysite and its synonyms are essential materials in various industries, ranging from ceramics and construction to pharmaceuticals and cosmetics. Despite being similar in composition, each type of clay mineral has its unique properties and uses.