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
Taltheilei Shale Tradition caribou. For hunting, Taltheilei made very distinctive spear and arrow points, some of which changed over time. Their tools included awls, adze bits, knives, scrapers, stone drills, whetstones. The Taltheilei people are considered proto-Athapaskan, and are ancestors to two Dene people, the Yellowknives and the Chipewyan and possibly the Dene Dogribs. Taltheilei are distinct, linguistically and culturally, from the Cree, Ojibwe and other Algonkian people of the Boreal Forest. Archaeologist divide Taltheilei Shale Tradition into periods based on their tools. Taltheilei Shale Tradition The Taltheilei Shale Tradition is the archeological name of the material culture of a late prehistoric western-area