Holmium (Ho) is a chemical element with atomic number (Z) 67, group n/a, period 6, and atomic weight 164.930. The Holmium (Ho) is a soft, lustrous metal with a silvery colour, belonging to the lanthanide series of the periodic chart of elements. Holmium alloys are used as a magnetic flux concentrator to create the strongest artificially-generated magnetic fields. (Refer to the Chemical Element; Periodic Table)