Olivine
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(Redirected from Chrysolite)
Olivine (or chrysolite) is a mineral made of magnesium iron silicate with the formula (Mg,Fe)2SiO4
It ranges in color from chartreuse green to pale olive. In its gem form, it is called peridot.
Dunite is a rock of 90%+ olivine. Dunite and other peridotite rocks are major constituents of the Earth's mantle above a depth of about 400 kilometers. Dunite is rarely found on land, except where slabs of mantle rock from a subduction zone have been thrust onto continental crust.