Superb, gem 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 light blue hue in the center to colorless. The Carletonite is glassy and transparent. It is complete-all-around 7mm x 4mm x 5mm cube. Some damages. On acrylic base.

Rare splendor!