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 RPG Amethyst RPG Amethyst is a campaign setting for the role-playing game "Dungeons & Dragons", released for both the 3rd edition via the Open Gaming License and the D&D 4th edition via the Game System License. It is published by Dias Ex Machina, featuring the artwork of Nick Greenwood and Jaime Jones. The game uses the "Dungeons & Dragons" 4th edition rules as a base, altering some of the rules to adapt to the setting and include things like vehicles and guns, making magic less powerful and additionally, it changes many of the ‘core’ classes by opening up new paths of