Updated edition includes 85 new photographs, including close-ups of cabochons from the famous mines that produce the best colors and matrix; information about mining activity and locations brings the story of world turquoise up to date. Turquoise has been mined on six continents and traded by cultures throughout the world's history, including the European, Chinese, Mayan, Aztec, Inca, and Southwest Native American. It has been set in silver and gold jewelry, cut and shaped into fetish animals, and even formed to represent gods in many religions. This gemstone is displayed in museums around the world, representing the arts and traditions of prehistoric, historic, and modern societies. Turquoisefocuses on the latest information in science and art from the greatest turquoise collections around the globe.