Nevada Blue, located in Lander County Nevada is one of the oldest turquoise claims in Nevada. The history is found in Turquoise in America Part Two, 1910-1990.
 
This cabochon weighs 9.6 carats and measures 2cm X 1.5cm. It is priced at $60 a carat or $576. It is not treated and is backed. I purchased this stone from Randall Marchese.