ingredient information
Holmium
AAA
Holmium (IPA: /'h??lmi?m/) is a chemical element in the periodic table that has 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.