noun
- A mineral consisting of hydrated potassium aluminum sulfate, typically white or gray, used in the production of alum and other industrial chemicals.
Usage: technical; mineralogy
Examples
- Alunite deposits are found in volcanic regions around the world.
- The mining company extracted alunite to produce industrial-grade alum.
- Geologists identified alunite in the rock samples from the hydrothermal field.
- Alunite is valued for its use in water purification and textile manufacturing.
- The white crystals of alunite were visible in the ore specimen.