Blue Kyanite 6x12-10x20mm Free Form Pear A Grade - 15-16 Inch 4mm Matrix Blue/Green/Black Tektite is a natural glass

Tektite is a natural glass formed by meteorite collisions with Earth

created when silica hardens within the fissures of other stones

olive green and gray to green

It is an energy booster

Blue Kyanite 6x12-10x20mm Free Form Pear A Grade - 15-16 Inch 4mm Matrix Blue/Green/Black Tektite is a natural glassKyanite 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