Unique Precious Metal
Contrasting to the mining of gold and silver, there are only few known deposits of platinum which are found in Russia and South Africa. Because of its scarcity in supply, it is the most priced precious metal.
The price of platinum is unstable, it can go high and doubling the price from gold, or it can even go low if political or economic crisis will happen to where platinum deposits are present. The demand in platinum is higher compared to its supply because of its limited availability worldwide.