Turquoise was thought to have been sacred pieces of the sky by Persians, Tibetans and Mayans. This stone is a combination of aluminum, copper, phosphorous, water and other local ingredients responsible for changing the color or adding matrix. The most rare and valuable stones are found right here, in the Southwest. There are about twenty mines in the Southwest United States that supply or have supplied gem quality turquoise. The most common mines are found in Arizona, Colorado, New Mexico and Nevada. Most of these mines have been mined out with the exception of Nevada and a few in Arizona. … Continue reading →