Green Kyanite 6-8x12-25mm Drop - 15-16 Inch Wonder Stone with additional major finds in

with additional major finds in 2008 and 2013

and was prized in ancient times for the ultramarine dye derived from it

found in Thailand/Indonesia

These inclusions are chromite

Green Kyanite 6-8x12-25mm Drop - 15-16 Inch Wonder Stone with additional major finds inKyanite 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