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
Amethyst, Princess of Gemworld angry over Donal's murder, banishes Mordru into Gemworld by merging him with the planet where he remains for many years. Amber is revealed to be Amethyst's daughter, not Topaz and Turquoise's. Realizing that the end of her time on Earth has brought imbalance to the forces between order and chaos, Amethyst charges Emmy with the care of her daughter and takes them both back to Earth. Amethyst then returns to Gemworld and merges with the planet until she would be needed again. Recently, Amethyst has re-appeared in the DC Universe during the "Infinite Crisis" storyline. She is first seen battling