Blue Kyanite 8mm Round - 15-16 Inch Multi to Picasso Turquoise beads found in Iraq

Turquoise beads found in Iraq date back to 5000 BCE

soft and fragile

if desired

It is a particularly unusual gem because it exhibits a special optical property known as "tenebrescence

igneous rock with high silica content

Blue Kyanite 8mm Round - 15-16 Inch Multi to Picasso Turquoise beads found in IraqKyanite 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