Dysprosium Element Cube - 2" Acrylic Display - Atomic Number 66

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Dysprosium's atomic number is 66 and its symbol is Dy. Dysprosium was not isolated until the 1950s. Its properties resemble those of the other rare earth metals which makes it espe cially good for making magnets. Dysprosium is also used to make control rods in nuclear reactors. Dysprosium has increased in value over the last couple of decades. Going from $7 USD per kg in 2003 to $379 USD in 2021. Show more