iridosmium
Ir`i*dos"mine, Ir`i*dos"mi*um, n. Etym: [Iridium + osmium.] (Min.) Defn: The native compound of iridium and osmium. It is found in flattened metallic grains of extreme hardness, and is often used for pointing gold pens.
Ir`i*dos"mine, Ir`i*dos"mi*um, n. Etym: [Iridium + osmium.] (Min.) Defn: The native compound of iridium and osmium. It is found in flattened metallic grains of extreme hardness, and is often used for pointing gold pens.