Mesmerizing rare crystals of gemmy Carletonite from the famous Mont Saint-Hilaire, Quebec, Canada. The Carletonite is one of the very rare mineral species unique for the type locality of Mont Saint-Hilaire. Crystals are not often seen. The Carletonite has from rich royal blue to colorless areas. The crystals are glassy, lustrous and translucent to gem. It displays all over 360 degree. Some contacts. On acrylic base.

Killer Carletonite!