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, Princess of Gemworld angry over Donal's murder, banishes Mordru into Gemworld by merging him with the planet where he remains for many years. Amber is revealed to be Amethyst's daughter, not Topaz and Turquoise's. Realizing that the end of her time on Earth has brought imbalance to the forces between order and chaos, Amethyst charges Emmy with the care of her daughter and takes them both back to Earth. Amethyst then returns to Gemworld and merges with the planet until she would be needed again. Recently, Amethyst has re-appeared in the DC Universe during the "Infinite Crisis" storyline. She is first seen battling