Brookite is a mineral that belongs to the titanium oxide group, which means it is composed of oxygen and titanium. Brookite is a rare mineral found in a few locations globally, such as the United Kingdom and the United States. If you're interested in brookite or want to know more about other minerals that share similar features, then there are several synonyms for brookite that you might like to know including 'titanium dioxide,' 'anatase,' and 'rutile.' All these minerals share a few common characteristics, such as they all reflect light and have a tetragonal crystal structure. Hence, brookite and its synonyms are essential minerals in geological research and mineralogy.