8.83 ct. Brazilian Green Herderite
- Color: Medium Yellow-Green
- Clarity: Eye Clean
- Origin: Minas Gerais, Brazil
- Cut: Cushion Mixed
- Treatments: None
- Measurements: 15.3 x 10.4 mm
A large and magnificent example of this rare and under appreciated color variety of Herderite. Profiled in the Spring 2004 issue of Gems & Gemology (available here), the largest stone from this find now finds pride of place in the National Gem Collection at the Smithsonian Institution. This example features the distinctive apple-green hue and is particularly notable for the excellent clarity and fine cutting - there were very few stones to begin with, and even fewer this nice. Superb collection stone with a full GIA gem identification report.