- Toenail, 2.9 x 2.0 x 1.5 cm
- Lucky Boy Mine, Mount Baldy District, Piute Co., Utah, USA
- Ex. John S. White
This species is a very rare mercury selenide that forms good crystals at only a few locales. Although small (sub-mm micros), these are classic for this exhausted lcoation and show good form under a scope. Excelent reference specimen, very hard to find.