noun
- A white or grayish mineral form of aluminum hydroxide, Al(OH)₃, that is an important ore of aluminum.
Usage: technical; mineralogy
Examples
- Gibbsite is one of the three main minerals found in bauxite ore.
- The geologist identified gibbsite crystals in the rock sample under the microscope.
- Gibbsite deposits are mined extensively in tropical regions for aluminum production.
- The white powder was confirmed to be gibbsite through X-ray diffraction analysis.
- Gibbsite forms through the weathering of feldspars and other aluminum-rich minerals.