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The mineral olivine (/ ˈ ɒ l. ɪ ˌ v iː n /) is a magnesium iron silicate with the chemical formula (Mg,Fe) 2 Si O 4.It is a type of nesosilicate or orthosilicate.The primary component of the Earth's upper mantle, [9] it is a common mineral in Earth's subsurface, but weathers quickly on the surface.
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However, more than one olivine-type phase may be used as a battery's cathode material. Olivine compounds such as A y MPO 4, Li 1−x MFePO 4, and LiFePO 4−z M have the same crystal structures as LiMPO 4, and may replace it in a cathode. All may be referred to as “LFP”. [citation needed] Manganese, phosphate, iron, and lithium also form an ...
Dunite may also form by the accumulation of olivine crystals on the floor of large basaltic or picritic magma chambers. These " cumulate " dunites typically occur in thick layers in layered intrusions , associated with cumulate layers of wehrlite , olivine pyroxenite , harzburgite , and even chromitite (a cumulate rock consisting largely of ...
Serpentinization is a hydration and metamorphic transformation of ferromagnesian minerals, such as olivine and pyroxene, in mafic and ultramafic rock to produce serpentinite. [1] Minerals formed by serpentinization include the serpentine group minerals ( antigorite , lizardite , chrysotile ), brucite , talc , Ni-Fe alloys, and magnetite .
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Vesta is testing whether the olivine weathering process will mitigate coastal recession [14] and reduce ocean acidification. [4] [2] [17] Vesta's process mimics natural weathering processes to transform the olivine into silicates and other stable chemicals, like calcium carbonate which precipitate to the oceans bottoms as marine life consumes the naturally occurring chemical and die (see ...
Olivine basalt is commonly used by foundries, boilermakers and boiler users to protect the area around a burner tip or to protect a floor from molten metal and other slag. Its use in this fashion is appropriate since olivine is a highly refractory, high-melting-temperature mineral.