Blue Kyanite 10mm Round - 15-16 Inch Stone Type_Golden Obsidian frequently complemented by tans

frequently complemented by tans

is a lab-made form of zirconium dioxide

who was a great admirer and collector of gemstones

its variations seem to depict landscapes and other images

newly discovered mineral from Indonesia that is an accidental byproduct of industrial smelting and is believed to be leftover slate from a gold mine

Blue Kyanite 10mm Round - 15-16 Inch Stone Type_Golden Obsidian frequently complemented by tansKyanite 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