Handmade by Lee Sandoval Sterling & Carico Lake Turquoise Post Earrings 1 3/8” x 7/8”The Carico Lake mine is a turquoise mine in Lander County, Nevada, located on a dried up lakebed. It is famous for producing both high quality turquoise in shades from blue to green, and a rare lime green gemstone called faustite, which is a zinc rich mineral related to turquoise. The mine also yields rare clam pseudo morphs,which are fossils filled with turquoise