Godber Burnham is a classis turquoise from Nevada. The story is told in Turquoise in America Part Two, 1910-1990.
 
This cab weighs 27.2 carat and measures 3cm X 2cm X 4mm. It is priced at $30 a carat or $816. It is not treated and is backed. I have assigned a TG of 82 or HG. I bought the stone from the miners Jeri and Bruce Woods. White spot is camera flash.