Beloved for millennia, revered by Pharaohs and Incas. Emeralds , it evokes rich images. It is the birthstone of May. Referenced as THE green color: Emerald green. The legendary Crown of the Andes. One of the emerald and gold treasures recovered from the sunken 17th century Spanish galleon Nuestra Senora de Atocha. Stunning...photo courtesy Metropolitan Museum of Art