Kyanite Multi 4mm Round - 15-16 Inch Rounds the second-hardest mineral next to

the second-hardest mineral next to diamond

Red Garnet and Crystal Quartz

These cabochons are all unique and vary in colors and patterns

especially in Asian cultures

Kyanite Multi 4mm Round - 15-16 Inch Rounds the second-hardest mineral next toKyanite 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