Amethyst of synthetic quartz is used. Treated amethyst is produced by gamma ray, X-ray or electron beam irradiation of clear quartz (rock crystal) which has been first doped with ferric impurities. On exposure to heat, the irradiation effects can be partially cancelled and amethyst generally becomes yellow or even green, and much of the citrine, cairngorm, or yellow quartz of jewelry is said to be merely "burnt amethyst". The Greek word "amethystos" may be translated as "not drunken", from Greek "a-", "not" + "methustos", "intoxicated". Amethyst was considered to be a strong antidote against drunkenness, which is why wine goblets were
The Amethyst Ring The Amethyst Ring The Amethyst Ring by Scott O'Dell is the third novel in the historical fiction trilogy started by "The Captive" and "Feathered Serpent". Julián Estaban, who is impersonating the Mayan god Kukulcán, fights and escapes from a powerful gold hungry conquistador, Hernán Cortés. Kukulcán's followers captured Rodrigo Perdoza, a bishop carrying a message to Cortés to detain Julián. Julián wants to be a priest and asks the bishop many times to make him one, but in the end he lets the Mayan priest sacrifice him, and Julián takes the bishop's amethyst ring. Cortés attacks and captures Kukulcán's city,