KnowraBrookiteLinked fromLinked fromThe 3 pages that link to Brookite, each with the reason it gives.All 3Compared with 3AnataseCompared with: Brookite is the third major TiO₂ polymorph and differs from anatase in crystal symmetry.RutileCompared with: It shares rutile’s chemical formula but has a different crystal system and structure.Rutile structureCompared with: It provides a third naturally occurring TiO₂ structure for comparison.