Hand-cut turquoise cabochon, Blue Ridge natural turquoise. Origin: China Shape: rectangle Color: blue Dimensions: 16 x 11 x 5 mm Weight: 11ct Natural stone (not stabilized). Rare old stock 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.