Blue Mountain Mine Natural Turquoise Rough Stone 100% Pure Natural Stone BLUE, BLUE, BLUE! Rare finds of blue pure natural turquoise rough stone from Blue Mountain Mine Great color & hardness, perfect for inlay, wood works, marble/concrete decor and cabochon settings 100% Pure natural turquoise rough stone, no stabilized, no treatment, no color added Check our store for other similar options like crushed natural stabilized turquoise chip stone 50-gram Package (approx. 2 ounces). Size: 10mm ~ 25mm