Blue Hackmanite 8mm Round - 15-16 Inch Discontinued Blue Tiger Eye is a

Blue Tiger Eye is a naturally occurring dark stone with chatoyant layers that create a flash which seems to emanate from within the stone as they catch the light

making it the hardest silicate mineral

A visually dynamic stone

but is also said that it can enliven and promote happiness

laced with bands or swirls of brighter blue

Blue Hackmanite 8mm Round - 15-16 Inch Discontinued Blue Tiger Eye is aDiscovered 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.