Amethyst is not primarily defined by carat weight; this is different to most gemstones where the carat weight exponentially increases the value of the stone. The biggest factor in the value of amethyst is the color displayed. The highest grade amethyst (called "Deep Russian") is exceptionally rare and therefore, when one is found, its value is dependent on the demand of collectors. It is, however, still orders of magnitude lower than the highest grade sapphires or rubies (padparadscha sapphire or "pigeon's blood" ruby). Amethyst Amethyst is a violet variety of quartz. The name comes from the Koine Greek ἀμέθυστος "amethystos" from
Amethyst Incident sail for Hong Kong. Next day the cruiser (flying the flag of the Flag Officer Second in Command Far East Fleet) and destroyer took over as escort and proceeded to Hong Kong. "Concord" was sent to Japan after being sworn to secrecy. "Amethyst" subsequently received a message of congratulations from King George VI: Future Governor of Hong Kong Edward Youde was on the British Embassy Staff at Nanking. At great personal risk he penetrated the Chinese Communist lines in an attempt to negotiate the release of "Amethyst" with the PLA. His negotiations came to naught. Youde later was made a