noun
- a brilliant green variety of garnet used as a gemstone
Usage: mineralogy
Examples
- The jeweler displayed a stunning demantoid garnet in the showcase.
- Demantoid is prized for its exceptional brilliance and fire.
- Russian demantoid garnets are considered among the finest specimens.
- The ring featured a rare demantoid surrounded by diamonds.
- Collectors seek high-quality demantoid for its vivid green color.
- The demantoid’s refractive index gives it remarkable sparkle.