noun
- a white or colorless mineral consisting of hydrated calcium borate, used as a source of boron
Usage: mineralogy
Examples
- The mine produced high-quality colemanites for industrial use.
- Colemanites deposits are found in several western states.
- The mineral colemanites appears as white crystalline masses.
- Boron compounds are extracted from colemanites in chemical processing.
- Geologists identified colemanites in the sedimentary rock formation.