Cerrillos turquoise comes from mines around Cerrillos New Mexico. The story is told in Turquoise in America Part One 1890-1910.

This cab weighs 36.8 carat and measures 4cm X 2.5cm. It is priced at $15 a carat or $552. It is not treated and is backed. I have assigned a TG of 80 or HG. I purchased the stone from Bill Joines who found the nugget as float and cut the cab.