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Definition of Osmiridium
1. Noun. A hard and corrosion resistant mineral that is a natural alloy of osmium and iridium (usually containing small amounts of rhodium and platinum); used in needles and pen nibs etc..
Definition of Osmiridium
1. Noun. (minerology) A hard, corrosion-resistant alloy or osmium and iridium used in pen nibs ¹
¹ Source: wiktionary.com
Definition of Osmiridium
1. [n -S]
Lexicographical Neighbors of Osmiridium
Literary usage of Osmiridium
Below you will find example usage of this term as found in modern and/or classical literature:
1. The Gold Fields and Mineral Districts of Victoria: With Notes on the Modes by Robert Brough Smyth (1869)
"Mr. George Foord has found scales of osmiridium embedded in the upper surfaces
of the small bars of gold which have been obtained from the slags remaining ..."
2. The Chemical Trade Journal (1888)
"The grains and nodules of osmiridium amounted to about 55 per cent, of the whole
of that constituent, and had a specific gravity of 18742. ..."
3. Economic Mineralogy: A Practical Guide to the Study of Useful Minerals by Thomas Crook (1921)
"Platinum-iridium alloy containing over 30 per cent, of iridium, like iridium and
osmiridium, resists attack by aqua regia. ..."
4. The Metallurgy of Gold by Thomas Kirke Rose (1898)
"osmiridium in Gold Bars.—Gold from some districts of California and from the
Fraser River district of British Columbia contains some platinum and palladium, ..."
5. Descriptive Mineralogy: With Especial Reference to the Occurrences and Uses by Edward Henry Kraus (1911)
"Attacked by fused potassium nitrate. Found with platinum in the Ural Mountains;
also in Brazil. osmiridium is more abundant and lighter in color than ..."
6. Appleton's New Practical Cyclopedia: A New Work of Reference Based Upon the by George J Hagar (1910)
"... or osmiridium, which is exceedingly hard, and used for tipping gold pens.
Osmo'sis, the tendency to interchange between two liquids or gases when they ..."
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