Why Amethyst is Called Swiss Army Knife
Amethyst is a violet variety of quartz and owes its color to irradiation, iron impurities, and other trace elements. The name comes from the Ancient Greek ἀμέθυστος amethystos, “not drunken,” because the Greeks believed the stone could prevent intoxication. Amethyst is not only one of the most popular gemstones in the world, but it’s also …