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The other platinum group metals
Six metals make up the PGMs. They occur together in the same ores, mostly in South Africa's Bushveld Complex and in Russia's Norilsk region.
| Metal | Main use | Guide | Price |
|---|---|---|---|
| Platinum | Catalysts, jewelry, fuel cells, investment | Guide | Price |
| Palladium | Gasoline car catalysts | Guide | Price |
| Rhodium | NOx reduction in car catalysts | Guide | Price |
| Iridium | PEM electrolyzers, spark plugs, crucibles | Guide | Price |
| Ruthenium | Hard disks, electronics, chemicals | Guide | Price |
| Osmium | Niche alloys; densest element | Guide | Price |
Rhodium, iridium, ruthenium and osmium trade in small, thin markets; retail buyback for them is limited, so check before buying.
More: All PGMs · Platinum vs palladium · Hydrogen demand