brookite

... enamel,pottery and porcelain products extenssively. Enamel Grade Titanium dioxide ( Brookite )

... bearing phase in most high pressure metamorphic rocks, chiefly eclogites. Brookite and anatase are typical polymorphs of rutile formed by retrogression ... deep mantle sources such as kimberlites and lamproites. Anatase and brookite are found in the igneous environment particularly as products of ...