According to what can be read on the subject today, from the times of the ancient Egyptians to Native Americans, Mayas and the Aztecs Tolzechi, up to the Aboriginal peoples and Celtic and Mediterranean, the sick were made to wear necklaces made of various types of crystals and stones: lapis lazuli, malachite and red jasper were some of the most used and allowed the disturbance and pain to go through and disperse.