It's found in Meteorites
Dunite is not a common rock but olivine is.
Sand is formed from the breakdown of rocks. If a rock contains large amounts of olivine, then when this rock weathers, olivine sand will be formed. There are beaches in New Zealand that are almost exclusively made of green olivine crystals.
No. It is olivine, which is a mineral.
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Peridotite is made only of olivine and pyroxene
Peridot is gem quality olivine. Olivine is a mineral, not a rock. It is found in mafic and ultramafic igneous rocks.
Olivine is found in space rocks so it is certainly present in all the rock planets.
Mining deep in the Earth cores. Mining deep in the Earth cores. You can also find Olivine in the Igneous rock Pyroxinite. Olivine is the same thing as Peridot
No they are not
Peridot is gemstone quality olivine, a mineral, not a rock.
an ultramafic composition
No. They are generally found inf mafic rock.