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Webster 1913 Edition

Noun.

[Named from the English mineralogist, H. J.

Brooke

(Min.)

A mineral consisting of titanic oxide, and hence identical with rutile and octahedrite in composition, but crystallizing in the orthorhombic system.

Brookite

brookite ‎(countable and uncountable, plural brookites)

(mineralogy) A dark brown mineral form of titanium dioxide, with the chemical formula Ti O₂.