Hackmanite 6mm Round - 15-16 Inch Diamond Turritella Agate’s rich brown and

Turritella Agate’s rich brown and black colors are patterned with the fossilized remains of sea creatures millions of years old

The folding stations are designed to fit three different size crimp tubes (1

Gem Silica is the rarest and highest form of Chrysocolla

and are indigenous to those countries

It is a particularly unusual gem because it exhibits a special optical property known as tenebrescence

Hackmanite 6mm Round - 15-16 Inch Diamond Turritella Agate’s rich brown andDiscovered in Greenland in the late 1890's, hackmanite is named for Finnish geologist Victor Hackman. It is a rare occurrence to find gem grade hackmanite; at best, most crystals are translucent. Hackmanite is the light pink to pale violet variety of sodalite. It is a particularly unusual gem because it exhibits a special optical property known as tenebrescence, a type of reversible photochromism. Hackmanite is very reactive under UV light.