Hackmanite 8mm Round - 15-16 Inch Stone Type_Emerald 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

a meteorite builds up heat that is then released into the terrestrial rocks with which it collides

Mohs hardness 7

The yellowish colors of heliodor are usually caused by small amounts of iron within the mineral's crystal structure

5 Elements Quartz

Hackmanite 8mm Round - 15-16 Inch Stone Type_Emerald 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.