This metal was first discovered in 1803 by William Hyde Wollaston, he named it after the asteroid Pallas. Palladium, Platinum, Rhodium, Ruthenium, Iridium, and Osmium form a group of elements that are known collectively as the Platinum Group Metals (PGMs).
Palladium is used often instead of Platinum when making white gold, this is because it is allot whiter and requires No Rhodium plating.
Palladium is just as rare as Platinum and has a remarkably similar appearance when used to make jewellery.
Palladium will usually carry the either of the following stamps: