Emerald says: "§ 23.23(c) It is unfair or deceptive to use the word "laboratory-grown", "laboratory-created", "[manufacturer name]-created", or "synthetic" with the name of any natural stone to describe any industry product unless such industry product has essentially the same optical, physical, and chemical properties as the stone named." Emerald is regarded as the traditional birthstone for May as well as the traditional gemstone for the astrological signs of Cancer. One of the quainter anecdotes about emeralds was told by the 16th-century historian Brantôme, who referred to the many impressive emeralds the Spanish under Cortez had brought back to Europe from Latin
Norton tradition but they used elegant harpoon heads that were ornately adorned. Their art tradition consisted of mainly ivory carvings of animal and human figures. They focused more on marine hunting than the first two stages and their settlements were very permanent. Norton tradition The Norton tradition is an archaeological culture that developed in the Western Arctic along the Alaskan shore of the Bering Strait around 1000 BC and lasted through about 800 AD. The Norton people used flake-stone tools like their predecessors, the Arctic small tool tradition, but they were more marine-oriented and brought new technologies such as oil-burning lamps and