Sodalite (var: Hackmanite) Andorite but in some instances

but in some instances

Crystallized specimens like this are few and far between from Colorado

Most Diopside crystals you'll see from Mogok are often dark and typically opaque

and certainly hard to find from this particular locality

and not crumbly clay (after Allophane) which means that they are much sturdier and allows the pieces to be displayed with ease

Sodalite (var: Hackmanite) Andorite but in some instancesThis is one of only a handful of Hackmanite gems that I've had to offer from Afghanistan, as they are amazingly difficult to find. Sodalite is a very durable stone and that's why it is so popular among dealers and collectors alike. The gem variety of Sodalite is called Hackmanite and the material is tenebrescent, which is the process by which a mineral changes daylight color after being exposed to ultra violet light. This particular stone shows a good