For a fact, both metals are about 15 times rarer than gold! They are widely used in making auto catalytic converters that help reduce pollution from exhausts.
This alone accounts for more than 54% of palladium and 57% of platinum demanded and this is expected to increase as tighter fuel-emission regulations fall in place.
This and its use in making fuel cells used by auto manufacturers, anchor my belief that the metals hold potential. Besides, like gold, palladium and platinum are also used in making jewellery - especially China offers a large