Amethyst even if the iron concentration is low. Natural amethyst is dichroic in reddish violet and bluish violet, but when heated, turns yellow-orange, yellow-brown, or dark brownish and may resemble citrine, but loses its dichroism, unlike genuine citrine. When partially heated, amethyst can result in ametrine. Amethyst can fade in tone if overexposed to light sources and can be artificially darkened with adequate irradiation. Amethyst was used as a gemstone by the ancient Egyptians and was largely employed in antiquity for intaglio engraved gems. The largest Ancient Egyptian amethyst mines are located at Wadi el-Hudi and those mines may be the
Amethyst RPG & Dragons". The 4E version of Amethyst was published under the GSL license from Wizards of the Coast, utilizing the Dungeons & Dragons Fourth Edition mechanics by Goodman Games. 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