noun
- A mineral consisting of cobalt arsenide sulfide, typically occurring as metallic gray cubic crystals and used as an ore of cobalt.
Usage: mineralogy; also called cobalt glance
Examples
- Cobaltite is an important primary ore of cobalt used in industrial applications.
- The specimen contained well-formed cobaltite crystals with a metallic luster.
- Miners extract cobaltite from deposits to produce cobalt for alloys and pigments.
- Cobaltite typically crystallizes in the cubic system with a silvery-gray appearance.