Amethyst is in the Quartz family, coming in beautiful purple coloring. A very popular and powerful stone with ancient history of use. Amethyst may assist you in happiness, forgiveness, calming fear, spiritual guidance, emotional storms, courage, love, peace, addiction, dreams, helps with insomnia and nightmares, and considered the "stone of peace". Amethyst resonates with the Crown Chakra and its element is Air. About .50oz