Osmium is a hard but brittle metal that remains lustrous even at high temperatures. It has a very low compressibility. Correspondingly, its bulk modulus is extremely high, reported between …

Dec 16, 2025 · Osmium, chemical element, one of the platinum metals of the periodic table and the densest naturally occurring element. A gray-white metal, osmium is very hard, brittle, and …

Osmium occurs uncombined in nature and also in the mineral osmiridium (an alloy with iridium). Most osmium is obtained commercially from the wastes of nickel refining.

Nov 18, 2023 · Osmium is an extremely hard and dense metallic element with symbol Os and atomic number 76. Although it is a rare element, you encounter it in daily life in ballpoint pens …

The chemical element osmium is classed as a transition metal. It was discovered in 1803 by Smithson Tennant.

Osmium (pronounced as OZ-mee-em) belongs to the family of transition metals and denoted by the chemical symbol Os. It has thirty-four isotopes out of which seven occur naturally with …

Explore the unique properties and applications of osmium, the densest naturally occurring element. Learn about its industrial uses, potential medical applications, chemical …

Nov 19, 2025 · Osmium (Os) is a dense, hard, bluish-white metal with the highest density of any element. It is used in alloys, electrical contacts, and fountain pen tips. It is highly corrosion …

Osmium metal is lustrous, bluish-white, hard, and brittle; it melts at 3,127°C (5,661°F) and boils at 5,303°C (9,577°F). It is the densest element known: Its density is 22.59 grams (0.8 ounces) …

Today, osmium is primarily recovered during the processing of platinum and nickel ores. Discovered in 1803 by Tennant in the residue left when crude platinum is dissolved by aqua …