brookite

/brook-ahyt/US // ˈbrʊk aɪt //UK // (ˈbrʊkaɪt) //

布鲁克特,锦囊妙计,涞源县,涞水

Definitions

n.名词 noun

1
Mineralogy.
- : a brown, red, or black mineral, titanium dioxide, TiO2, trimorphous with rutile and anatase.

Minute crystals of brookite have been detected with anatase and rutile in the iron-ore of Cleveland in Yorkshire.
Brookite occurs only as crystals, never in compact masses, and is usually associated with either anatase or rutile.
Titanic acid occurs in nature crystallized in anatase, arkansite, brookite, and rutile.