The Seven Rarest Metals
In terms of abundance in the Earth’s crust, the rarest metals are: gold, platinum, osmium, iridium, palladium, ruthenium, rhodium, tellurium …
rhodium
Layered Mafic Intrusions: Our Largest Source of Platinum & Palladium
Overview Most of the world’s economic deposits of platinum group elements (PGE) including platinum, palladium, rhodium and other rare metals come from …
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Platinum Group Metals
There are six platinum group metals or PGMs . The group comprises; platinum (Pt), palladium (Pd), rhodium (Rh), iridium (Ir), …
