Brookite

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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

• A list of minerals with associated Wikipedia articles
• A comprehensive list of minerals
• List of minerals named after people