The stone of Peace, clairvoyance, emotional protection, and sobriety. known for its stunning violet color in a variety of shades, amethyst healing crystals are often used as jewellery because when placed against the skin, it works as a natural stress reliever. Holding crystals or placing them on your body is thought to promote physical, emotional and spiritual healing. Crystals supposedly do this by positively interacting with your body's energy field, or chakra. While some crystals are said to alleviate stress, others purportedly improve concentration or creativity. Gemstones can help you in increasing your concentration and connecting you with your inner conscious. In total there are seven crystal systems: triclinic, monoclinic, orthorhombic, tetragonal, trigonal, hexagonal, and cubic. A crystal family is determined by lattices and point groups. It is formed by combining crystal systems which have space groups assigned to a common lattice system. If your stone feels heavier than expected like it's lost its shine it may benefit from a little energetic activation. Try lending it some of your own energy by speaking to it, singing to it, or sending it some vital life force energy through your breath.