Scandium

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Rare earths such as Scandium, Yttrium and Promethium are essential ingredients for products from cars to cellphones, and they are in short supply outside China.

Protectionism Hurts Effort to Pressure China John W. Miller 2010
Scandium has been recovered from mine tailings, particularly from tantalum deposits and uranium ore tailings.

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Scandium has some characteristics that are similar to the rare earth elements, and is often classified as a member of the group.

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Scandium is very difficult to reduce to its pure state.

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Scandium is more common in the sun and stars than on Earth.

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Scandium is a soft, silvery-white metallic element with an atomic number 21.

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Scandium is alloyed with aluminum and is used to make lightweight, strong sporting equipment like aluminum baseball bats, bicycle frames, and lacrosse sticks.

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Scandium is used in mercury vapor lamps to create a light that is very much like natural sunlight.

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Scandium also occurs in iron-magnesium rocks and minerals in an abundance of 5 to 100 parts per million (ppm).

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Scandium is also used in the manufacture of crystals for laser research and aerospace applications (Russia).

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