- Vermillion Mine, near Sudbury, Ontario, Canada
- Thumbnail, 0.8 x 0.6 x 0.3 cm
Emplaced on massive chalcopyrite are a few splendent, silvery, crystals of sperrylite, to .2 cm across. Sperrylite is a rare platinum arsenide. Canadian specimens are very rare and old, and hard to obtain! This crystal is small but so sharply cubic, and bright, it leaps out.