noun
- a white crystalline mineral consisting of hydrated calcium borate, used as a source of boron
Usage: mineralogy
Examples
- The mine produced high-quality colemanite for industrial applications.
- Colemanite deposits are found primarily in California and Turkey.
- The mineral colemanite was first discovered in Death Valley.
- Boron compounds are extracted from colemanite ore.
- The white crystals of colemanite have a distinctive appearance.
- Colemanite is an important commercial source of boric acid.