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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 ...
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Platinum: What's So Special About the Shiny Metal?
In shaft mining, vertical shafts are excavated to access deep ore bodies ... Platinum and platinum wire are prized materials in jewelry-making for several reasons. Their natural, silvery-white ...