Hackmanite 6mm Round - 15-16 Inch Origin_Africa Chrysocolla was first described by

Chrysocolla was first described by Theosphrastus

Red Brecciated Jasper is typically found in deep red

Gamma ray irradiation

It is associated with the Career and Life Path area

The most common members of the feldspar group are the plagioclase feldspars and the alkali feldspars

Hackmanite 6mm Round - 15-16 Inch Origin_Africa Chrysocolla was first described byDiscovered 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.