Kyanite Multi 4mm Round - 15-16 Inch july_carnelian Pietersite is composed of

Pietersite is composed of

and much of the black Onyx on the market has been artificially colored

Rose Quartz facial masks have been recovered from Egyptian tombs

Seraphinite's chatoyancy (optical reflectance) gives it a feathery appearance associated with angels (also known as seraphim

Green Aventurine is a green translucent quartz with glimmering metallic inclusions

Kyanite Multi 4mm Round - 15-16 Inch july_carnelian Pietersite is composed ofKyanite 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