Hand cut turquoise cabochon, Blue Ridge natural turquoise. Origin: China Shape: geometric / free form / pentagon Color: blue Dimensions: 18 x 13 x 6 mm Weight: 15ct Natural stone (not stabilized). Rare old stock turquoise from closed mine. Backed for stability and durability. Handmade in Albuquerque, New Mexico. Recommended for use in bezel settings. Protect from heat and harsh chemicals. Do not leave immersed in water for long periods.