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 was left on Earth as an infant. This name, however, was then in use by another DC teen hero, Beast Boy. Dan Mishkin decided on "Amethyst" as a replacement, which in turn inspired the jewel-themed naming of other characters in the series and the nature of Gemworld as a whole. Amethyst first appeared as a special insert in "The Legion of Super-Heroes" #298 (April 1983). Her original story began shortly afterward in the twelve-issue "Amethyst: Princess of Gemworld" limited series in 1983, written and created by Dan Mishkin and Gary Cohn with Ernie Colón as the artist. The initial 12-issue