Kyanite Multi 8mm Round - 15-16 Inch Sunset At times in ancient history

At times in ancient history

mustard yellow

depositing layer upon layer of Quartz silicate to create the banding and patterns now prized in Botswana Agate

The image shown has multiple cabochons to give you an idea of the range possibilites of the colors

Kyanite Multi 8mm Round - 15-16 Inch Sunset At times in ancient historyKyanite 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