Rhodium
one of the rare metals white, and brittle, and, with the excepmost infusible of metals. When pure , it is insoluble in acids, but when alloyed with platinum, dissolved with them in aqua regia.
Heated in contact with chloride of sodium in a current of chlorine, the double chloride of rhodium and sodium is formed. The only use to form the nibs of metallic pens. Rhodium which rhodium has been applied, is to associated in small quantity with native was discovered by Wollaston in 1803, platinum. and shrubs of the natural order Eri-