1. a translucent feldspar mineral with a golden or reddish shimmer, used as a gemstone
Usage: mineralogy
2. a crystal or stone believed by Vikings to help navigate by locating the sun through clouds
Usage: historical; navigation

Examples

• The jeweler displayed a beautiful sunstone pendant with golden flecks.
• Sunstone gets its shimmering effect from tiny copper inclusions.
• Oregon is famous for producing high-quality sunstone gemstones.
• Vikings may have used sunstone crystals to navigate in foggy weather.
• The museum exhibit showed how ancient sailors relied on sunstone for ocean voyages.
• Her sunstone ring caught the light beautifully in the afternoon sun.