Holmium Element Cube - 2" Acrylic Display - Atomic Number 67

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Holmium's atomic number is 67 and its symbol is Ho. Holmium is named after the capital of Sweden because of the Swedish chemist who discovered it. It is usually mined from a minera l called monazite. Holmium has the highest magnetic permeability of any element, which means that it is able to obtain the highest magnetization from a magnetic field of all the elements. This is why it is used to create the strongest artificially generated magnets in the world. Holmium is also used in nuclear reactors as a neutron poison to absorb excess neutrons Show more