gem

gem [-s] n

L. gemma.

1. Treasure; prize; thing of great worth; [fig.] idea; line of poetry.
2. Pearl of great price; [fig.] dear; darling; beloved; loved one.
3. Jewel; precious stone; rare mineral such as a diamond, emerald, pearl, ruby, or sapphire.
4. Diamond; adamantine; most precious stone; hardest of all minerals; pure carbon that has become a brilliant eight-sided crystal.
5. Phrase. “Gem Tactics”: how to recognize valuable treasures; [fig.] the worth of a soul.