1. Plural of hiddenite; green or yellow-green crystals of the mineral spodumene, valued as gemstones.
Usage: mineralogy; gemology; Named after W. E. Hidden, who discovered the mineral in North Carolina in 1879

Examples

• The museum's collection includes several fine hiddenites from the Hiddenite, North Carolina locality.
• Collectors prize hiddenites for their vibrant green hue and relative rarity.
• The gemologist identified the stones as hiddenites based on their crystal structure and optical properties.
• Hiddenites are a variety of spodumene and belong to the pyroxene mineral group.
• Fine-quality hiddenites can command high prices in the gemstone market.