metal szlachetny

They seemed to be taking out much of the precious metal.

We can make anything a precious metal, as men could in the morning of the world.

Gold is not the only precious metal on the up.

Two of them are precious metals, which have done very well.

Its value as a precious metal was long considered second only to gold.

Find someone who has a ring made of a precious metal.

Why should we imagine that the precious metals are likely to do so?

The same trade figures, however, made precious metals a good buy.

For one thing, it was a rare and precious metal.

For some time they went on, and saw no traces of the precious metal.

It is commonly used in opposition to noble metal.

Gold is a noble metal- it does not react with most elements.

The name makes an analogy to the term "noble metals", which also have low reactivity.

Other sources include mercury or even rhenium as a noble metal.

In physics, the definition of a noble metal is even more strict.

This tends to use more noble metals that resist corrosion better.

In addition a part of the "noble" metals are removed together with the gas as a fine mist.

It stood about a foot tall, a simple tall cup made of noble metal.

Who ever heard of a chunk of noble metal this big?

At optical frequencies characteristics of some noble metals are altered.