Blue Kyanite 10mm Round - 15-16 Inch Inc. or black and can be

or black and can be distributed randomly or in bundles or star to like formations

AKA- Norena Jasper

Gamma ray irradiation

The inclusions are of manganese or iron

Blue Kyanite 10mm Round - 15-16 Inch Inc. or black and can beKyanite often occurs as long, bladed, striated crystals, transparent or translucent with a pearly luster. An aluminum silicate mineral, it may appear in white, pink, yellow, orange, green, blue, gray and black. In addition to its value as a gemstone, Kyanite is also extremely useful in industrial applications due to its high heat resistance. It is often used in kiln furniture and foundry molds, as well as for brake shoes, grinding wheels and cutting