Carico Lake is the marketing name for the Aurora claim in Carico Lake Valley. The story is told in Turquoise in America Part Two, 1910-1990.
 
This cab weighs 3.9 carat and measures 2cm X 0.5cm. It is priced at $15 a carat or $60. It is not treated and is backed. I have assigned a TG of 80 or HG. White spot in photo is camera flash.