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, Princess of Gemworld adult woman. The most powerful magic users in all of Gemworld are from the House of Amethyst. Amethyst decides to use her powers to rebel against Dark Opal's oppression over Gemworld. Upon befriending the winged unicorn Max, Princess Amethyst journeys in search of allies among The Twelve Kingdoms of Gemworld that do not support Dark Opal. She is successful in rallying support from most of the other House and gains friendship in Lord Topaz, Lady Turquoise, and Princess Emerald (Emmy). The first series ends with the defeat of Dark Opal, the liberation of Gemworld, and Amethyst's returned to Earth. During