Atomic Number: 76 Atomic Symbol: Os Atomic Weight: 190.23 Melting Point: 5,491.4 F (3,033 C) Boiling Point: 9,053.6 F (5,012 C) Word origin: Osmium comes ... used in fountain pen tips.

Not used much today, osmium has been incorporated into alloys for fountain-pen tips and phonograph needles. Diamond still reigns as the hardest of materials. However, the finding that osmium is ...

Osmium is also used to produce hard alloys with other PGMs for fountain pen tips, instrument pivots and electrical contacts. Crystalline osmium can be bought as crystal bars or billet rings and is ...