Ruthenium Pellet, dabarar kwayoyin halitta: Ru, girman 10-12g/cc, bayyanar azurfa mai haske, samfuran Ruthenium ne mai tsafta a cikin ƙarancin ƙarfi da ƙarfe.Yana sau da yawa ya zama silinda karfe kuma yana iya zama shingen murabba'i.