Blue Kyanite 5x8m Chip - 15-16 Inch R0911 a phenomenon that occurs when

a phenomenon that occurs when light hits the chips of silica inside the gemstone and a rainbow of different colors refract inside the stone

followed by a mild heat treatment gives it the bright yellow color

First discovered in 2006

Enjoy these rare and exotic stones in their natural form

Blue Kyanite 5x8m Chip - 15-16 Inch R0911 a phenomenon that occurs whenKyanite 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