• Webster's Revised Unabridged Dictionary
    • n Brookite (Min) A mineral consisting of titanic oxide, and hence identical with rutile and octahedrite in composition, but crystallizing in the orthorhombic system.
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Century Dictionary and Cyclopedia
    • n brookite One of the three forms in which titanium dioxid occurs in nature. It is found in orthorhombic crystals of a brown or yellow color to black, and adamantine to metallic luster. Jurinite is another name for the same mineral. Arkansite is an iron-black variety from Magnet Cove, Arkansas.
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Webster's Revised Unabridged Dictionary
Named from the English mineralogist, H. J. Brooke,


In literature:

Titanium, in the minerals known as octahedrite and brookite, is found in alluvial deposits in New South Wales, in conjunction with diamonds.
"Encyclopaedia Britannica, 11th Edition, Volume 2, Slice 8" by Various