noun
- A mineral consisting of magnesium silicate, typically found in metamorphic rocks and meteorites.
Usage: technical; mineralogy
Examples
- Dunnite is an olivine-rich mineral found in some meteorites.
- Geologists identified dunnite in the metamorphic rock samples.
- The composition of dunnite makes it valuable for studying planetary formation.
- Dunnite crystals can be observed in thin sections under a microscope.