14.25 carats old stock natural hand cut highgrade Blue Moon Turquoise Cabochon by Xutšu. As far as green/blue turquoise from this mine, this stone has it all! Deep greens and deep medium blues with the brown and black matrix makes the surface of this stone hard to find! This quality from this mine is very rare and will make a great addition to any collection! This cabochon is lightly backed for stability.