Keywords: artigas uruguay nelson amethyst indoor Plant director Juan F. Paulo shows ambassador Nelson a finished amethyst piece during his visit to the mineral specimens plant in Artigas. [U.S. Embassy photo by Vince Alongi] Plant director Juan F. Paulo shows ambassador Nelson a finished amethyst piece during his visit to the mineral specimens plant in Artigas. [U.S. Embassy photo by Vince Alongi] |