Palygorskite is a fibrous clay mineral that is commonly used in industrial applications due to its high heat resistance and ability to absorb moisture. However, if you're looking for synonyms for this particular mineral, you might consider terms such as attapulgite, sepiolite, or magnesium aluminum silicate. These words are often used interchangeably with palygorskite, as they all refer to a type of clay that is characterized by a unique fibrous structure. Other related terms might include smectite, kaolin, and illite, all of which are types of clay that have distinctive properties and are used in a variety of different applications.