'''Rare earth minerals''' are a group of 17 [[metal]]lic [[element]]s essential for modern [[technology]], found in the [[Earth]]'s crust but rarely in concentrated deposits suitable for [[mining]].
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[[File:Rare earth purity.PNG|right|300px|thumb|]]
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''''Rare earth minerals''' are a group of 17 [[metal]]lic [[element]]s essential for modern [[technology]], found in the [[Earth]]'s crust but rarely in concentrated deposits suitable for [[mining]].