Palladium

Palladium was an element on the periodic table.
On Earth, palladium was even rarer than platinum. (AUDIO: Kaleidoscope)
Mars was abundant with palladium, deuterium, gallium, and silver. (PROSE: Beige Planet Mars)
Palladium and jabolite were mined on a human colony planet. (PROSE: Cold Fusion)
Category:Elements from the real world