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Wikisource has the text of the 1911 Encyclopædia Britannica article Brookite.

Brookite is a mineral consisting of titanium oxide, TiO2, and hence identical with rutile and anatase in composition, but crystallizing in the orthorhombic system (see crystal structure). Brookite occurs rarely compared to the anatase and rutile forms of titanium dioxide and, unlike these forms, exhibits no photocatalytic activity.

It was named for Henry James Brooke, English mineralogist, 1771 - 1857.

See also

This article is licensed under the GNU Free Documentation License. It uses material from the Wikipedia article "Brookite". A list of authors is available in Wikipedia.
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