Template:POTD/2012-07-27

Picture of the day

Rhodium, one of the rarest metals on Earth, in three states of processing: one gram in powder form, a one-gram pressed cylinder, and a one-gram argon arc remelted pellet. Rhodium is a chemically inert precious transition metal found as a free metal or in platinum or nickel ores together with the other members of the platinum group metals.Photo: Alchemist-hp