Collector's Amethyst - LA2Amethyst is semi precious Quartz which has been irradiated, causing iron and other elements in the crystals to change color, the deeper color purple the more desirable the crystal is. This large piece of geode displays an impressively rich dark violet hue. Amethyst has been coveted across the ages by many civilizations including Egyptian, Greek, Tibetans and many others and thought to hold mystical abilities in many cultures. The images shown depict