Tyrone is the marketing name given to turquoise mined from the old Azure claims in Grant County New Mexico. The story is told in Turquoise in America Parts One and Two.

This cab weighs 43.9 carat and mesures 3.5cm X 2.5cm. It is priced at $20 a carat or $878. It is not treated and is backed. I have assigned a TG of 85 or VHG. I purchased the stone from Michael McGoey. White spot is camera flash.