1. a translucent reddish or brownish-orange variety of chalcedony used as a gemstone

Examples

• The antique ring featured a beautiful cornelian stone.
• She collected various gemstones including cornelian and amethyst.
• The cornelian beads glowed warmly in the sunlight.
• Ancient Romans often carved seals from cornelian.
• The jewelry box contained several cornelian cabochons.
• He preferred the deep orange cornelian over the pale variety.