It is extremely both sensed the original section of the brand new sixth-period transition precious metals which can be generally counted one of the rare-earth aspects. Platinum is actually a dense, malleable, ductile, very unreactive, precious, silverish-light transition material. Osmium are a hard, brittle, bluish-light change steel from the precious metal class which is receive while the a shadow factor in alloys, mainly in the precious metal ores.