metal nieszlachetny

No difference in this respect between the base metals and the precious.

Never gold or silver, nor the other end of the scale, the base metals.

Being particularly rich, he gave the general public some cause to believe in his ability to change base metal into gold.

The name comes from the number of base metals in the mineral.

But there is one more chemical, and this turns base metal into gold!

His body would be impervious to weapons of base metal.

Business alchemy - how to turn gold into base metal.

Purge out the base metal and leave him only the silver.

This came at a time of especially high prices for base metals, including nickel.

She had sufficient of base metal, iron and steel, in her for that.