Origin of osmium
Examples from the Web for osmium
The tantalum filament was quickly followed by osmium and by tungsten in this country.Artificial Light|M. Luckiesh
There are four chlorides of osmium, the best known of which are the dichloride and the tetrachloride.Cooley's Practical Receipts, Volume II|Arnold Cooley
Iridium occurs in nature associated with osmium, gold, and platinum, in the mines of Russia.
The gold may contain an alloy of osmium and iridium; if so, it should be weighed and treated with aqua regia.A Textbook of Assaying: For the Use of Those Connected with Mines.|Cornelius Beringer and John Jacob Beringer
There are several rare metals, such as iridium and osmium, which would likewise be far too valuable to circulate.Readings in Money and Banking|Chester Arthur Phillips