Green Kyanite 5x10-20mm Top Drill Teeth - 15-16 Inch Jet These needle to like black

These needle to like black inclusions of Tourmaline are quite striking within the clear

Viking and Germanic legend tell that the sword of the hero Siegfried

The colors

a man named Sterling

It can range in color from pale pink to deep rose or even rusty red tones depending on the concentration of Manganese

Green Kyanite 5x10-20mm Top Drill Teeth - 15-16 Inch Jet These needle to like blackKyanite 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