Green Kyanite 5-10x22-30mm Teeth - 15-16 Inch Russian Lace Agate rich greens

rich greens

hackmanite is named for Finnish geologist Victor Hackman

and rose along with deep maroon dendrites

It is produced by certain molluscs as an inner shell layer

colored by carotenoids

Green Kyanite 5-10x22-30mm Teeth - 15-16 Inch Russian Lace Agate rich greensKyanite 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