brookite

(bro̵ok′īt′)

noun

the hard, orthorhombic form of titanium dioxide, TiO, ranging in color from yellow or brown to black

Origin: after H. J. Brooke (1771-1857), Eng mineralogist

See brookite in American Heritage Dictionary 4

noun

A mineral form of titanium dioxide, TiO₂, having characteristic orthorhombic crystals and a red-brown to black color.

Origin:

Origin: After Henry James Brooke (1771-1857), British mineralogist

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