Dry Creek turquoise, discover in 1993 in the Dry Creek Mine in Nevada, is beyond rare. Its pale blue color and extreme hardness make it unique. It is not treated or color enhanced. In fact, turquoise this color has not been found in any other location. Not only is it the palest turquoise in the world, but its rarity is increased due to the mine being closed. The mind was also known as the Godber-Burnham.