Which non-ferrous metal is the most expensive?

There are many kinds of non-ferrous metals, if expensive, there are indeed many, among which precious metals are the most familiar. Generally speaking, there are eight kinds of traditional precious metals.

respectively are

Gold, silver, platinum, rhodium, iridium, ruthenium, osmium, palladium, these. These are only known to many people. In fact, some rare metals are also very expensive, such as

Scandium, rhenium, hafnium, tantalum and some rare earth metals are very expensive.

But rhodium is the most expensive one. Now it's about 400 yuan per gram, and it will even cost about 2,500 yuan in 2008. Scandium, rhenium, iridium and osmium, all of which are close to or exceed 100 yuan 1 g, while each gram of gold and platinum is above that of 200 yuan.

1 The price of titanium gold mentioned on the floor is about 2300 yuan, 1KG. Whether it is expensive or not depends on personal wishes!