ʻO Ruthenium Pellet, molecular formula: Ru, density 10-12g/cc, hiʻohiʻona kālā ʻālohilohi, ʻo ia nā huahana Ruthenium maʻemaʻe ma ke kūlana paʻa a me ka metala. Ua hana pinepine ʻia i loko o ka pahu metala a he ʻāpana huinaha paha.