1. A star-shaped gemstone, typically a variety of quartz or corundum that exhibits a star-like optical effect (asterism) when cut as a cabochon.
Usage: Also called star stone.; Gemology term.
2. In classical mythology, a goddess or nymph associated with stars.
Usage: Archaic or literary usage.

Examples

• The jeweler selected an asteria with a prominent four-pointed star for the pendant.
• Star sapphires and star rubies are popular varieties of asteria used in fine jewelry.
• When light hits the asteria at the right angle, a beautiful star pattern appears across its surface.
• In ancient texts, Asteria was sometimes depicted as a divine figure connected to the heavens.