Blue Hackmanite 10mm Round - 15-16 Inch 48hr_five It is a member of

It is a member of the Quartz family

from light blue to lapis blue to cobalt

Tranquilty

Norway where this type of igneous rock is found

Tourmaline has often been confused with other stones

Blue Hackmanite 10mm Round - 15-16 Inch 48hr_five It is a member ofDiscovered 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.