Hand-cut cabochon, high grade Bisbee natural turquoise Origin: Arizona, USA Shape: oval Color: blue Dimensions: 20 x 15 x 5 mm Weight: 16ct Natural stone (not stabilized). Signature red matrix. 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.