Superb gemmy and lustrous small Carletonite cube. The Carletonite is one of the very rare mineral species unique for the type locality Mont Saint-Hilaire, Quebec, Canada. It has blue color in the center to colorless at the rims. The Carletonite is glassy. It is complete-all-around 5mm x 5mm x 4mm cube. Some nicks and contacts. On acrylic base.

Rare splendor!