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
HMS Amethyst (1903) March 1914 from Vice Admiral Carden. On 24 April 1915 "Amethyst" and her sister-ship embarked soldiers and landed them by trawler at Y beach on the northwest shore of the Gallipoli Peninsula in the early morning of 25 April. She supported the British troops ashore with gunfire until 27 April by bombarding enemy positions. By mid-morning on 27 April, with the situation on the beach described as "desperate", surviving troops were beginning to come back on board - "Amethyst" took on board over 250 officers and men, many of them wounded. Over the following days, "Amethyst" continued to provide support