dunite

Also known as olivinite

thumb|right|upright=1.2|Small volcanic bomb of (black) [[basanite with (green) dunite]]

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Image: Dunite Greenstone From Pilbara.JPG

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Commons category: Dunite

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Carbon sequestration potential
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thumb|right|upright=1.2|Small volcanic bomb of (black) [[basanite with (green) dunite]]

Dunite (), also known as olivinite (not to be confused with the mineral olivenite), is an intrusive igneous rock of ultramafic composition and with phaneritic (coarse-grained) texture. The mineral assemblage is greater than 90% olivine, with minor amounts of other minerals such as pyroxene, chromite, magnetite, and pyrope. Dunite is the olivine-rich endmember of the peridotite group of mantle-derived rocks.