Kyanite 2-3x3-5mm Graduated Irregular Rondelle Beads - 15-16 Inch MISSING IMAGES black with snowflake patterns

black with snowflake patterns

"Devil Aquamarine" (or "Devil Blue Aquamarine") is a market term for natural aquamarine characterized by deep blue

hackmanite is named for Finnish geologist Victor Hackman

The gemstones included in this banded strand are: Amethyst

or in the vesicles and intergranular spaces of rhyolite

Kyanite 2-3x3-5mm Graduated Irregular Rondelle Beads - 15-16 Inch MISSING IMAGES black with snowflake patternsKyanite 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