Precious metal and Rare-earth metal

Precious metal noun - Any of the less common and valuable metals often used to make coins or jewelry.

Rare-earth metal and precious metal are semantically related in group of chemical elements topic. In some cases you can use "Rare-earth metal" instead a noun phrase "Precious metal".

Precious metal and rare-earth metal are semantically related in group of chemical elements topic. You can use "Precious metal" instead a noun phrase "Rare-earth metal".