Hosted on MSN1mon
Rhodium: Earth's Rarest and Most Expensive Precious Metal
On Christmas Eve in 1800, English scientist William Hyde Wollaston a piece of nearly pure platinum ore, secretly purchased and smuggled from the Spanish colony of Nueva Granada (Colombia ...
Seeking Alpha1mon
Platinum: Poised For A Comeback
In addition, platinum ore grades are usually very low (3-7 grams per tonne of combined PGMs). This means processing massive amounts of ore for small amounts of metal. Many deposits, especially in ...