Kyanite 2-3x3-5mm Graduated Irregular Rondelle Beads - 15-16 Inch Stone Type_Coral often with a mottled appearance

often with a mottled appearance

often resulting in bright colors like lime green

Variscite is usually green

Red Creek Jasper is named for the Red River in China where the stone was recently discovered

greenish gray or black within the white or gray stone

Kyanite 2-3x3-5mm Graduated Irregular Rondelle Beads - 15-16 Inch Stone Type_Coral often with a mottled appearanceKyanite 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