Synonym: Olivinite.
Clades:
Olivines.
MineralogyDunite is an intrusive igneous rock of ultramafic composition with phaneritic, coarse-grained texture.
Dunite is the olivine-rich endmember of the peridotite group of mantle-derived rocks.
The mineral assemblage is greater than 90% olivine, with minor amounts of pyroxene, chromite, magnetite, and pyrope.