INORGANIC CHEMISTRY A  B  C  D  E  F  G  H  I  J  K  L  M  N  O  P  Q  R  S  T  U  V  W  X  Y  Z                    HOME ABOUT CATEGORIES SITE MAP COPYRIGHT ADVERTISE CONTACT entire Web this site holmium (Ho) Holmium. Image copyright: smart-elements.com A metallic element of the lanthanide series, first identified spectroscopically in 1878 by P. T. Cleve in Uppsala, Sweden, and independently by M. Delafontaine and J. L. Soret in Geneva. Its chief ore is monazite (a phosphate). Alloys of holmium are in used in magnets but the element has few commercial uses. Its most common isotope is 165Ho (100%). atomic number 67 relative atomic mass 164.93 relative density 8.803 melting point 1,470°C (2,680°F) boiling point 2,720°C (4,930°F) Related category    • INORGANIC CHEMISTRY Also on this site: Encyclopedia of Alternative Energy & Sustainable Living Encyclopedia of History Transport Concepts & Designs (partner site) BACK TO TOP