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
Garden emerald Garden emerald The garden emerald ("Chlorostilbon assimilis") is a small hummingbird that is an endemic resident breeder in Costa Rica and western Panama. It was formerly considered to be a subspecies of the blue-tailed emerald. This is a species of open habitats, including bushy savanna, clearings, cultivation, and gardens. It can be found in the Pacific lowlands and hills, locally up to an elevation of 1500 m. The nest is a neat cup of plant fibres decorated on the outside with bark fragments. The two white eggs are incubated by the female alone. The garden emerald is 8 cm long