Amethyst and it can not be differentiated with absolute certainty without advanced gemmological testing (which is often cost-prohibitive). There is one test based on "Brazil law twinning" (a form of quartz twinning where right and left hand quartz structures are combined in a single crystal) which can be used to identify synthetic amethyst rather easily. It is possible to synthesize twinned amethyst, but this type is not available in large quantities in the market. Single-crystal quartz is very desirable in the industry, particularly for keeping the regular vibrations necessary for quartz movements in watches and clocks, which is where a lot
Amethyst, Princess of Gemworld Age of Magic. Curiously, neither Emmy nor Amber have been seen or mentioned since the third miniseries, but are presumably still in existence in the aftermath of Infinite Crisis. In 2012, DC relaunched the long defunct "Sword of Sorcery" title as part of The New 52 (a reboot of the DC Comics universe) with Amethyst as the lead story written by Christy Marx with art by Aaron Lopresti. In this version, Amethyst is Princess Amaya of House Amethyst, taken to Earth and raised as Amy Winston by her mother Lady Graciel in order to protect her from Amaya's ruthless aunt