QUARTZ AND AMETHYST

Amethyst deserves historical and mythological. Amethyst was in fact one of the parade nymph of Diana, goddess particularly sensitive to the issue of chastity. Of this nymph, in a moment of ecstasy ethyl, it fell in love Bacchus so began to pursue it in order to possess. The nymph asked for help from his lady, who to protect, not so much life, as the chastity of the nymph, turned into icy quartz crystal