Amethyst, a variation of quartz, is commonly used for protection, purification, and positive transformation. It has several physical effects on its user such as purifying the blood, toning hormonal systems, strengthening immunity, and helping disorders heal faster. It also has several effects that work mentally such as calming emotions, promoting inner peace, and alleviating sadness. Use this stone by holding it during meditation or spell casting. You can also place it on an altar or wear it as a jewelry.