- A mineral form of titanium dioxide, TiO2, having characteristic orthorhombic crystals and a red-brown to black color.
- A dark brown mineral type of titanium dioxide, utilizing the chemical formula TiO2.
- A mineral consisting of titanic oxide, and therefore identical with rutile and octahedrite in structure, but crystallizing in orthorhombic system.
- One of the three kinds which titanium dioxid takes place in nature.
Sentence for "brookite"
- Rutile is made up mostly of…
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