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Holmium

From Simple English Wikipedia, the free encyclopedia

Holmium (pronounced /ˈhoʊlmiəm/) is a chemical element with the symbol Ho and atomic number 67. Part of the lanthanide series, holmium is a relatively soft and malleable silvery-white metallic element, which is stable in dry air at room temperature. A rare earth metal, it is found in the minerals monazite and gadolinite.

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