Blue Kyanite 8mm Round - 15-16 Inch 48hr_0272023 Blue Tourmaline ranges in color

Blue Tourmaline ranges in color from green to blue to yellow to green with black

a variety of Jasper containing variably colored spherical patterns

blue or gray

Approximate Size:

Blue Kyanite 8mm Round - 15-16 Inch 48hr_0272023 Blue Tourmaline ranges in colorKyanite 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