The three most expensive metals in the world
1, rhodium
Rhodium is an extremely rare and precious silver metal, which belongs to platinum group elements and is resistant to window corrosion. This gold is used as a catalyst in the chemical industry to coat optical fibers, optical mirrors and headlight reflectors. The largest producers are South Africa, Russia and Canada.
2. Platinum
This precious metal is used in jewelry and many industrial applications, including fuel cells, dentistry, electronic components, health care, Yao Bo and Youshi. South Africa, Russia, Canada and other mining and processing countries are the largest producers of precious metals.
3. golden
Gold is the most recognizable precious metal because of its unique color. As a commodity collection and transaction, it is used in jewelry, industrial application and dental application. Its conductive composition is the key to the electronic industry. The main sources of gold mining are South Africa, the United States, China, Australia and Russian.