noun
- Plural of brookite; a mineral form of titanium dioxide (TiO₂) that occurs as orthorhombic crystals.
Usage: mineralogy; technical
Examples
- Brookites are found in metamorphic rocks and alpine environments.
- The geologist identified brookites among the mineral samples under the microscope.
- Brookites crystallize in the orthorhombic system, distinguishing them from other titanium dioxide polymorphs.
- Collectors seek brookites for their distinctive crystal forms and rarity.