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
Emerald Lingam Tipu Sulthan has installed one emerald Siva Lingam. At Mangaleswari Sametha Mangalanatha Swami Temple, Uthirakosamangai, there is world fame Lord Nataraja idol. Lord Nataraja appears in a separate shrine. The idol is about 5 1/2 feet tall. This temple is located near Ramanathapuram town in Tamil nadu. This idol will be covered with sandal paste on all days except the annual Thiruvathirai star day on which the Arudra festival (December month) falls. On this day alone the idol is consecrated and covered again with sandal paste. This temple also possess one emerald Siva Lingam and one Spatika Lingam. Both these