brookite

[ broo k-ahyt ]
/ ˈbrʊk aɪt /

noun Mineralogy.

a brown, red, or black mineral, titanium dioxide, TiO2, trimorphous with rutile and anatase.

Origin of brookite

1875–80; named after H. J. Brooke (1771–1857), English mineralogist; see -ite1

Example sentences from the Web for brookite

British Dictionary definitions for brookite

brookite
/ (ˈbrʊkaɪt) /

noun

a reddish-brown to black mineral consisting of titanium oxide in orthorhombic crystalline form: occurs in silica veins. Formula: TiO 2

Word Origin for brookite

C19: named after Henry J. Brooke (died 1857), English mineralogist