Blue Kyanite 8mm Round - 15-16 Inch 48hr_0272023 Approximate Size:

Approximate Size:

a variety of Jasper containing variably colored spherical patterns

blue or gray

as Obsidian can be formed into a blade many times sharper than steel surgical blades

Blue Kyanite 8mm Round - 15-16 Inch 48hr_0272023 Approximate Size:Kyanite 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