Sagittarius Sign Stone - Amethyst Amethyst is a stone with very powerful spiritual and protective energies, being even capable of transforming negative energies into beneficial and very positive energies. It awakens our spiritual side, strengthening our intuition and helping a lot in meditation. The meaning of the Amethyst stone is linked to its ability to focus the mind and aid decision-making as it captures information from higher planes and helps in the transmission of neural signals in the brain. In physics, the Amethyst stone is useful for the processes of weight loss and purification of the body, as it works by increasing metabolism, promoting a detoxification of the blood and facilitating the elimination of harmful substances. Important note: the product shown above in the image may not be faithful to the product in question, due to the fact that the minerals have natural imperfections and different characteristics that make them unique.