gemstone

Precious or semiprecious stone that can be cut, polished, or otherwise dressed for use as gems; distinguished from gems, which are made of gemstone that has been worked or other material such as pearl.

Vocabulary
Term variations: 
gemstone (EN)
gemstones (EN)
pierre précieuse (Fr)
pierres précieuses (Fr)
Gemmes (FR)
Term_fr: 
pierre précieuse