Olivine occurs in both mafic and ultramafic igneous rocks and as a primary mineral in certain metamorphic rocks. Mg-rich olivine crystallizes from magma that is rich in magnesium and low in silica. That magma crystallizes to mafic rocks such as gabbro and basalt. [14]OverviewThe olivine is a magnesium iron with the chemical formula (,)24. It is a type of The. . Olivine is named for its typically olive-green color, thought to be a result of traces of, though it may alter to a reddish color from the oxidation of iron. Translucent olivine is sometimes used as a. . Minerals in the olivine group crystallize in the system ( Pbnm) with isolated silicate tetrahedra, meaning that olivine is a . The structure can be described as a hexagonal, close-pack.
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The olivine is a magnesium iron with the chemical formula (,)24. It is a type of . The primary component of the Earth's, it is a common mineral in Earth's subsurface, but weathers quickly on the surface. Olivine has many uses, such as the (or chrysolite), as well as industrial applications like processes.
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